diff --git a/docsys/pom.xml b/docsys/pom.xml
index b00689aca..d2ec8affe 100644
--- a/docsys/pom.xml
+++ b/docsys/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -117,7 +117,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-cockroachdb/pom.xml b/driver-cockroachdb/pom.xml
index de8c01ace..a022fe503 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jdbc</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
diff --git a/driver-cql-shaded/pom.xml b/driver-cql-shaded/pom.xml
index 6c0893968..8105532a1 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqld3-shaded/pom.xml b/driver-cqld3-shaded/pom.xml
index ae10585e7..757f03218 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,13 +24,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqlverify/pom.xml b/driver-cqlverify/pom.xml
index b0f295bdb..34c05c727 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>4.15.51</version>
+    <version>4.15.52-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -24,13 +24,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>driver-cql-shaded</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/driver-diag/pom.xml b/driver-diag/pom.xml
index d1d536ce9..89f25f91b 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-dsegraph-shaded/pom.xml b/driver-dsegraph-shaded/pom.xml
index 511b2dd35..c345224bb 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>4.15.51</version>
+    <version>4.15.52-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -23,13 +23,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
     <dependency>
diff --git a/driver-http/pom.xml b/driver-http/pom.xml
index 88e670146..595f9cf2b 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-jdbc/pom.xml b/driver-jdbc/pom.xml
index 74dc105df..4d5dca616 100644
--- a/driver-jdbc/pom.xml
+++ b/driver-jdbc/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>nosqlbench</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/driver-jms/pom.xml b/driver-jms/pom.xml
index d1ee98bbe..b6b727148 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -40,13 +40,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
diff --git a/driver-jmx/pom.xml b/driver-jmx/pom.xml
index 3482d549c..122af2283 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-kafka/pom.xml b/driver-kafka/pom.xml
index e1bac3ad9..d9002fb13 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -44,13 +44,13 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
       </dependency>
 
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>driver-stdout</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
       </dependency>
 
       <!--        <dependency>-->
diff --git a/driver-mongodb/pom.xml b/driver-mongodb/pom.xml
index 6bd0b43ad..0b4a1514b 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-pulsar/pom.xml b/driver-pulsar/pom.xml
index c81e013a0..1398e4872 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -40,13 +40,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
diff --git a/driver-stdout/pom.xml b/driver-stdout/pom.xml
index 337fcca26..3cea03833 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-tcp/pom.xml b/driver-tcp/pom.xml
index 88ccc2c65..609e2d4e1 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,19 +24,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-web/pom.xml b/driver-web/pom.xml
index 7444009f6..5cb51949d 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/drivers-api/pom.xml b/drivers-api/pom.xml
index 009960c22..a69c0cbfc 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-api/pom.xml b/engine-api/pom.xml
index 76d9b333a..7ab6376a9 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,25 +23,25 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/engine-cli/pom.xml b/engine-cli/pom.xml
index ced32f914..94119c4a7 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docker</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-clients/pom.xml b/engine-clients/pom.xml
index 256bd089b..c231faa90 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>4.15.51</version>
+    <version>4.15.52-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-core/pom.xml b/engine-core/pom.xml
index 023cf1bf6..1395f730b 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,13 +28,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -85,7 +85,7 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-clients</artifactId>
-          <version>4.15.51</version>
+          <version>4.15.52-SNAPSHOT</version>
         <scope>compile</scope>
       </dependency>
 
diff --git a/engine-docker/pom.xml b/engine-docker/pom.xml
index 690d42961..d9c539585 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/engine-docs/pom.xml b/engine-docs/pom.xml
index 618fbda03..81604bff0 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>4.15.51</version>
+    <version>4.15.52-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>docsys</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-extensions/pom.xml b/engine-extensions/pom.xml
index d1e04a7e5..ac5a59efe 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-rest/pom.xml b/engine-rest/pom.xml
index 6c293e4eb..5088267b0 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/mvn-defaults/pom.xml b/mvn-defaults/pom.xml
index 69b877dae..bcb29950d 100644
--- a/mvn-defaults/pom.xml
+++ b/mvn-defaults/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>io.nosqlbench</groupId>
   <artifactId>mvn-defaults</artifactId>
-  <version>4.15.51</version>
+  <version>4.15.52-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <properties>
@@ -81,7 +81,7 @@
   <scm>
     <url>scm:git:https://github.com/nosqlbench/nosqlbench.git</url>
     <!--        <tag>nosqlbench-2.0.102-SNAPSHOT</tag>-->
-    <tag>nosqlbench-4.15.51</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/nb-annotations/pom.xml b/nb-annotations/pom.xml
index 99597e8f6..84a1dd6a0 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/nb-api/pom.xml b/nb-api/pom.xml
index 89522d8c1..0b3ccab7a 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>4.15.51</version>
+    <version>4.15.52-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>nb-annotations</artifactId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
     </dependency>
 
       <dependency>
diff --git a/nb/pom.xml b/nb/pom.xml
index 62809a1fd..f486e9af4 100644
--- a/nb/pom.xml
+++ b/nb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,121 +24,121 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-web</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-kafka</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-tcp</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-http</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jmx</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-dsegraph-shaded</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqld3-shaded</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqlverify</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-mongodb</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-pulsar</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cockroachdb</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jms</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
@@ -238,7 +238,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-mongodb</artifactId>
-                    <version>4.15.51</version>
+                    <version>4.15.52-SNAPSHOT</version>
                 </dependency>
             </dependencies>
         </profile>
diff --git a/pom.xml b/pom.xml
index bc235dae7..a9a022f0f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>mvn-defaults</relativePath>
     </parent>
 
@@ -146,7 +146,7 @@
             scm:git:https://github.com/nosqlbench/nosqlbench.git
         </developerConnection>
         <url>scm:git:git@github.com:nosqlbench/nosqlbench.git</url>
-        <tag>nosqlbench-4.15.51</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>
diff --git a/virtdata-api/pom.xml b/virtdata-api/pom.xml
index 4b05ca227..969e215e1 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,14 +23,14 @@
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
             <artifactId>nb-api</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lang</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
 
diff --git a/virtdata-lang/pom.xml b/virtdata-lang/pom.xml
index 513167391..36c47616a 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-lib-basics/pom.xml b/virtdata-lib-basics/pom.xml
index 34143609f..99a63ef28 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-curves4/pom.xml b/virtdata-lib-curves4/pom.xml
index 00114c5a7..7bc7a3515 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-lib-random/pom.xml b/virtdata-lib-random/pom.xml
index 5117120b0..2faadc9bf 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-realer/pom.xml b/virtdata-lib-realer/pom.xml
index c25b40509..c3ab5c0b1 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-realdata/pom.xml b/virtdata-realdata/pom.xml
index 51e0b42bc..64627cd0d 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-userlibs/pom.xml b/virtdata-userlibs/pom.xml
index d063236b5..b00dccc7f 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>4.15.51</version>
+        <version>4.15.52-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-realdata</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-realer</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-random</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
             <artifactId>virtdata-lib-basics</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
             <artifactId>virtdata-lib-curves4</artifactId>
         </dependency>
 
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-            <version>4.15.51</version>
+            <version>4.15.52-SNAPSHOT</version>
         </dependency>
 
     </dependencies>