diff --git a/adapters-api/pom.xml b/adapters-api/pom.xml
index 05c4c815b..0cd19ce01 100644
--- a/adapters-api/pom.xml
+++ b/adapters-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
 
diff --git a/docsys/pom.xml b/docsys/pom.xml
index a1e24236e..7b6307ac4 100644
--- a/docsys/pom.xml
+++ b/docsys/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
@@ -117,7 +117,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-cockroachdb/pom.xml b/driver-cockroachdb/pom.xml
index 2c50d5c11..4ed8e95cc 100644
--- a/driver-cockroachdb/pom.xml
+++ b/driver-cockroachdb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jdbc</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
diff --git a/driver-cql-shaded/pom.xml b/driver-cql-shaded/pom.xml
index a9d052248..82bd6e2b4 100644
--- a/driver-cql-shaded/pom.xml
+++ b/driver-cql-shaded/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqld3-shaded/pom.xml b/driver-cqld3-shaded/pom.xml
index 497b16ce1..bfb0e9700 100644
--- a/driver-cqld3-shaded/pom.xml
+++ b/driver-cqld3-shaded/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,13 +24,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqlverify/pom.xml b/driver-cqlverify/pom.xml
index 0ade51239..4448aeb9e 100644
--- a/driver-cqlverify/pom.xml
+++ b/driver-cqlverify/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-    <version>4.15.66-SNAPSHOT</version>
+    <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,13 +24,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-diag/pom.xml b/driver-diag/pom.xml
index b98f40c1d..7a428d17c 100644
--- a/driver-diag/pom.xml
+++ b/driver-diag/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,14 +21,14 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/driver-dsegraph-shaded/pom.xml b/driver-dsegraph-shaded/pom.xml
index 51179c833..6d1709c1f 100644
--- a/driver-dsegraph-shaded/pom.xml
+++ b/driver-dsegraph-shaded/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/driver-grpc/pom.xml b/driver-grpc/pom.xml
index 579829c39..c76739ed0 100644
--- a/driver-grpc/pom.xml
+++ b/driver-grpc/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>mvn-defaults</artifactId>
     <groupId>io.nosqlbench</groupId>
-    <version>4.15.66-SNAPSHOT</version>
+    <version>4.15.66</version>
     <relativePath>../mvn-defaults/pom.xml</relativePath>
   </parent>
 
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-      <version>4.15.66-SNAPSHOT</version>
+      <version>4.15.66</version>
     </dependency>
 
       <dependency>
diff --git a/driver-http/pom.xml b/driver-http/pom.xml
index 154a54325..4ada343b2 100644
--- a/driver-http/pom.xml
+++ b/driver-http/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,14 +22,14 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/driver-jdbc/pom.xml b/driver-jdbc/pom.xml
index 7f932e3a5..47b258346 100644
--- a/driver-jdbc/pom.xml
+++ b/driver-jdbc/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>nosqlbench</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/driver-jms/pom.xml b/driver-jms/pom.xml
index dccd3bd20..120aea5db 100644
--- a/driver-jms/pom.xml
+++ b/driver-jms/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -40,13 +40,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
diff --git a/driver-jmx/pom.xml b/driver-jmx/pom.xml
index c3550f8d6..8b9a8aa5f 100644
--- a/driver-jmx/pom.xml
+++ b/driver-jmx/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/driver-kafka/pom.xml b/driver-kafka/pom.xml
index 8db154c58..1d32b86ea 100644
--- a/driver-kafka/pom.xml
+++ b/driver-kafka/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -44,13 +44,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-mongodb/pom.xml b/driver-mongodb/pom.xml
index 9354f7774..7be1401df 100644
--- a/driver-mongodb/pom.xml
+++ b/driver-mongodb/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/driver-pulsar/pom.xml b/driver-pulsar/pom.xml
index a9dc20375..b2f4c10d6 100644
--- a/driver-pulsar/pom.xml
+++ b/driver-pulsar/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -40,13 +40,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
diff --git a/driver-stdout/pom.xml b/driver-stdout/pom.xml
index 2e80983b6..8a9962dd8 100644
--- a/driver-stdout/pom.xml
+++ b/driver-stdout/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,14 +22,14 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/driver-tcp/pom.xml b/driver-tcp/pom.xml
index 7dab55fbf..8f7882f1a 100644
--- a/driver-tcp/pom.xml
+++ b/driver-tcp/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,19 +24,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-web/pom.xml b/driver-web/pom.xml
index 074d4a1df..6dd0ae645 100644
--- a/driver-web/pom.xml
+++ b/driver-web/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/drivers-api/pom.xml b/drivers-api/pom.xml
index 79e19b604..136b5cf9c 100644
--- a/drivers-api/pom.xml
+++ b/drivers-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,19 +23,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>adapters-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
 
diff --git a/engine-api/pom.xml b/engine-api/pom.xml
index 3c424f813..11e9136ae 100644
--- a/engine-api/pom.xml
+++ b/engine-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,25 +23,25 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/engine-cli/pom.xml b/engine-cli/pom.xml
index 584cd1928..0cf430fab 100644
--- a/engine-cli/pom.xml
+++ b/engine-cli/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docker</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-clients/pom.xml b/engine-clients/pom.xml
index bd14b1108..4cbbad2e9 100644
--- a/engine-clients/pom.xml
+++ b/engine-clients/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-    <version>4.15.66-SNAPSHOT</version>
+    <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-core/pom.xml b/engine-core/pom.xml
index 37adc22a8..a6c7dd29d 100644
--- a/engine-core/pom.xml
+++ b/engine-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,13 +28,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
@@ -85,7 +85,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-clients</artifactId>
-          <version>4.15.66-SNAPSHOT</version>
+          <version>4.15.66</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/engine-docker/pom.xml b/engine-docker/pom.xml
index aef6fb3f6..fc2594843 100644
--- a/engine-docker/pom.xml
+++ b/engine-docker/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
     </dependencies>
 
diff --git a/engine-docs/pom.xml b/engine-docs/pom.xml
index 7c6e7cb45..399c9ce37 100644
--- a/engine-docs/pom.xml
+++ b/engine-docs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-    <version>4.15.66-SNAPSHOT</version>
+    <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-extensions/pom.xml b/engine-extensions/pom.xml
index 66d3f5102..e6c41a2ee 100644
--- a/engine-extensions/pom.xml
+++ b/engine-extensions/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-rest/pom.xml b/engine-rest/pom.xml
index 42535e960..78f85200c 100644
--- a/engine-rest/pom.xml
+++ b/engine-rest/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/mvn-defaults/pom.xml b/mvn-defaults/pom.xml
index e5e292d91..6ad6eaba7 100644
--- a/mvn-defaults/pom.xml
+++ b/mvn-defaults/pom.xml
@@ -3,7 +3,7 @@
 
     <groupId>io.nosqlbench</groupId>
     <artifactId>mvn-defaults</artifactId>
-    <version>4.15.66-SNAPSHOT</version>
+    <version>4.15.66</version>
     <packaging>pom</packaging>
 
     <properties>
@@ -78,7 +78,7 @@
     <scm>
         <url>scm:git:https://github.com/nosqlbench/nosqlbench.git</url>
         <!--        <tag>nosqlbench-2.0.102-SNAPSHOT</tag>-->
-        <tag>HEAD</tag>
+        <tag>nosqlbench-4.15.66</tag>
     </scm>
 
     <dependencyManagement>
diff --git a/nb-annotations/pom.xml b/nb-annotations/pom.xml
index 6ca852050..260800a56 100644
--- a/nb-annotations/pom.xml
+++ b/nb-annotations/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/nb-api/pom.xml b/nb-api/pom.xml
index 16c0c8c75..9ecf42e2d 100644
--- a/nb-api/pom.xml
+++ b/nb-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/nb/pom.xml b/nb/pom.xml
index 8c1195c80..1ad1b66d7 100644
--- a/nb/pom.xml
+++ b/nb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,127 +24,127 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nbr</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-web</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-kafka</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-tcp</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-http</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jmx</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-dsegraph-shaded</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqld3-shaded</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqlverify</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-mongodb</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-pulsar</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cockroachdb</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jms</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
@@ -231,7 +231,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-dsegraph-shaded</artifactId>
-                    <version>4.15.66-SNAPSHOT</version>
+                    <version>4.15.66</version>
                 </dependency>
             </dependencies>
         </profile>
@@ -244,12 +244,12 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-cql-shaded</artifactId>
-                    <version>4.15.66-SNAPSHOT</version>
+                    <version>4.15.66</version>
                 </dependency>
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-cqlverify</artifactId>
-                    <version>4.15.66-SNAPSHOT</version>
+                    <version>4.15.66</version>
                 </dependency>
             </dependencies>
 
@@ -277,7 +277,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-mongodb</artifactId>
-                    <version>4.15.66-SNAPSHOT</version>
+                    <version>4.15.66</version>
                 </dependency>
             </dependencies>
         </profile>
diff --git a/nbr/pom.xml b/nbr/pom.xml
index bd0995288..fd8b46b5b 100644
--- a/nbr/pom.xml
+++ b/nbr/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,37 +24,37 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
     </dependencies>
 
diff --git a/pom.xml b/pom.xml
index 6e05cb2fc..05f6ce14d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>mvn-defaults</relativePath>
     </parent>
 
@@ -150,7 +150,7 @@
             scm:git:https://github.com/nosqlbench/nosqlbench.git
         </developerConnection>
         <url>scm:git:git@github.com:nosqlbench/nosqlbench.git</url>
-        <tag>HEAD</tag>
+        <tag>nosqlbench-4.15.66</tag>
     </scm>
 
     <distributionManagement>
diff --git a/virtdata-api/pom.xml b/virtdata-api/pom.xml
index 5dac5ea9d..8923dd475 100644
--- a/virtdata-api/pom.xml
+++ b/virtdata-api/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,14 +23,14 @@
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <artifactId>nb-api</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lang</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
 
diff --git a/virtdata-lang/pom.xml b/virtdata-lang/pom.xml
index 5bb213224..f006ed8e7 100644
--- a/virtdata-lang/pom.xml
+++ b/virtdata-lang/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-lib-basics/pom.xml b/virtdata-lib-basics/pom.xml
index aadda2eba..1a20c52cf 100644
--- a/virtdata-lib-basics/pom.xml
+++ b/virtdata-lib-basics/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-curves4/pom.xml b/virtdata-lib-curves4/pom.xml
index 1fde72509..1969f8220 100644
--- a/virtdata-lib-curves4/pom.xml
+++ b/virtdata-lib-curves4/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-lib-random/pom.xml b/virtdata-lib-random/pom.xml
index 8bc631f0f..26a4f52b8 100644
--- a/virtdata-lib-random/pom.xml
+++ b/virtdata-lib-random/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-realer/pom.xml b/virtdata-lib-realer/pom.xml
index 267e91f9a..8618945fc 100644
--- a/virtdata-lib-realer/pom.xml
+++ b/virtdata-lib-realer/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-realdata/pom.xml b/virtdata-realdata/pom.xml
index 341f8b87d..94cca8042 100644
--- a/virtdata-realdata/pom.xml
+++ b/virtdata-realdata/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-userlibs/pom.xml b/virtdata-userlibs/pom.xml
index dfe4db6e9..6acd0f026 100644
--- a/virtdata-userlibs/pom.xml
+++ b/virtdata-userlibs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.66-SNAPSHOT</version>
+        <version>4.15.66</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-realdata</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-realer</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-random</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <artifactId>virtdata-lib-basics</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
             <artifactId>virtdata-lib-curves4</artifactId>
         </dependency>
 
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-            <version>4.15.66-SNAPSHOT</version>
+            <version>4.15.66</version>
         </dependency>
 
     </dependencies>