diff --git a/docsys/pom.xml b/docsys/pom.xml
index 8ebb39825..1f89ad0f5 100644
--- a/docsys/pom.xml
+++ b/docsys/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
@@ -98,7 +98,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-cql-shaded/pom.xml b/driver-cql-shaded/pom.xml
index a7918c88a..2b9d1eea8 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqlverify/pom.xml b/driver-cqlverify/pom.xml
index b80d13267..fca7ac100 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>3.12.155-SNAPSHOT</version>
+    <version>3.12.155</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -24,13 +24,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>driver-cql-shaded</artifactId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
     </dependency>
 
   </dependencies>
diff --git a/driver-diag/pom.xml b/driver-diag/pom.xml
index 876af26e0..834a4e8d9 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/driver-dsegraph-shaded/pom.xml b/driver-dsegraph-shaded/pom.xml
index 77bdc0b0e..8eec49a26 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/driver-http/pom.xml b/driver-http/pom.xml
index abbfdd73a..0a7543952 100644
--- a/driver-http/pom.xml
+++ b/driver-http/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-jmx/pom.xml b/driver-jmx/pom.xml
index 0fb2df6d2..e728686c3 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-kafka/pom.xml b/driver-kafka/pom.xml
index 63fe03ed0..4549b8f5a 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -44,13 +44,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/driver-mongodb/pom.xml b/driver-mongodb/pom.xml
index 81f78dc92..b3816f48f 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/driver-stdout/pom.xml b/driver-stdout/pom.xml
index 7bb6e8b3f..4dfe527ea 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-tcp/pom.xml b/driver-tcp/pom.xml
index 7c1e7e1c7..6f2e409ad 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,19 +24,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-web/pom.xml b/driver-web/pom.xml
index 0792af8ce..fb93b7881 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/drivers-api/pom.xml b/drivers-api/pom.xml
index c8ecb8267..3f4e8817a 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-api/pom.xml b/engine-api/pom.xml
index cc264b70b..23fe9bfbf 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,25 +23,25 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/engine-cli/pom.xml b/engine-cli/pom.xml
index a5e010a26..1a0fc0fa6 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docker</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/engine-clients/pom.xml b/engine-clients/pom.xml
index 9b23a67e2..32aad946d 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>3.12.155-SNAPSHOT</version>
+    <version>3.12.155</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-      <version>3.12.155-SNAPSHOT</version>
+      <version>3.12.155</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-core/pom.xml b/engine-core/pom.xml
index 12a95183f..365e9d745 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,13 +28,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
@@ -90,7 +90,7 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-clients</artifactId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <scope>compile</scope>
       </dependency>
 
diff --git a/engine-docker/pom.xml b/engine-docker/pom.xml
index e2985ccff..969dc47ef 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -65,7 +65,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
     </dependencies>
 
diff --git a/engine-docs/pom.xml b/engine-docs/pom.xml
index 51542e43f..e1eb3e31b 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>3.12.155-SNAPSHOT</version>
+    <version>3.12.155</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>docsys</artifactId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-extensions/pom.xml b/engine-extensions/pom.xml
index 136d66e56..714ffca56 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-rest/pom.xml b/engine-rest/pom.xml
index cccec2954..d8495afda 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/mvn-defaults/pom.xml b/mvn-defaults/pom.xml
index 97cb7bfb4..0aa94449e 100644
--- a/mvn-defaults/pom.xml
+++ b/mvn-defaults/pom.xml
@@ -3,7 +3,7 @@
 
     <groupId>io.nosqlbench</groupId>
     <artifactId>mvn-defaults</artifactId>
-    <version>3.12.155-SNAPSHOT</version>
+    <version>3.12.155</version>
     <packaging>pom</packaging>
 
     <properties>
@@ -95,7 +95,7 @@
     <scm>
         <url>scm:git:https://github.com/nosqlbench/nosqlbench.git</url>
         <!--        <tag>nosqlbench-2.0.102-SNAPSHOT</tag>-->
-        <tag>HEAD</tag>
+        <tag>nosqlbench-3.12.155</tag>
     </scm>
 
     <dependencyManagement>
diff --git a/nb-annotations/pom.xml b/nb-annotations/pom.xml
index 9ea4bb229..ee56907aa 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/nb-api/pom.xml b/nb-api/pom.xml
index 5a41f6031..82f628576 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/nb/pom.xml b/nb/pom.xml
index 6f6f045cb..f905b3ec1 100644
--- a/nb/pom.xml
+++ b/nb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,31 +24,31 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <!--        <dependency>-->
@@ -60,67 +60,67 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-web</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-kafka</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-tcp</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-http</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jmx</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-dsegraph-shaded</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqlverify</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-mongodb</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <!--        <dependency>-->
@@ -259,7 +259,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-mongodb</artifactId>
-                    <version>3.12.155-SNAPSHOT</version>
+                    <version>3.12.155</version>
                 </dependency>
             </dependencies>
         </profile>
diff --git a/pom.xml b/pom.xml
index abc203dcf..5db1a1559 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>mvn-defaults</relativePath>
     </parent>
 
@@ -145,7 +145,7 @@
             scm:git:https://github.com/nosqlbench/nosqlbench.git
         </developerConnection>
         <url>scm:git:git@github.com:nosqlbench/nosqlbench.git</url>
-        <tag>HEAD</tag>
+        <tag>nosqlbench-3.12.155</tag>
     </scm>
 
     <distributionManagement>
diff --git a/virtdata-api/pom.xml b/virtdata-api/pom.xml
index 99425bb5f..b1e41362f 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,14 +23,14 @@
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
             <artifactId>nb-api</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lang</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
 
diff --git a/virtdata-lang/pom.xml b/virtdata-lang/pom.xml
index c4b07dddd..10131c033 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-lib-basics/pom.xml b/virtdata-lib-basics/pom.xml
index aeafd6554..c461c77d7 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-curves4/pom.xml b/virtdata-lib-curves4/pom.xml
index 0194ec6d7..a7082c086 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-lib-random/pom.xml b/virtdata-lib-random/pom.xml
index 7c42852d5..5933d678f 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-realer/pom.xml b/virtdata-lib-realer/pom.xml
index 279090f3f..4e9444f6f 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-realdata/pom.xml b/virtdata-realdata/pom.xml
index dda04f214..2ac839bd4 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-userlibs/pom.xml b/virtdata-userlibs/pom.xml
index fd434bd34..1ee5422e4 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>3.12.155-SNAPSHOT</version>
+        <version>3.12.155</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-realdata</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-realer</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-random</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
             <artifactId>virtdata-lib-basics</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
             <artifactId>virtdata-lib-curves4</artifactId>
         </dependency>
 
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-            <version>3.12.155-SNAPSHOT</version>
+            <version>3.12.155</version>
         </dependency>
 
         <dependency>