diff --git a/source/imaer-gml/pom.xml b/source/imaer-gml/pom.xml
index 6ffb61e8..329be5e1 100644
--- a/source/imaer-gml/pom.xml
+++ b/source/imaer-gml/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <artifactId>imaer-gml</artifactId>
diff --git a/source/imaer-shared/pom.xml b/source/imaer-shared/pom.xml
index 511fc2c7..e1e01142 100644
--- a/source/imaer-shared/pom.xml
+++ b/source/imaer-shared/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <artifactId>imaer-shared</artifactId>
diff --git a/source/imaer-sonar-report/pom.xml b/source/imaer-sonar-report/pom.xml
index 7522ae35..7aceb111 100644
--- a/source/imaer-sonar-report/pom.xml
+++ b/source/imaer-sonar-report/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>nl.aerius</groupId>
         <artifactId>imaer-parent</artifactId>
-        <version>6.0.0-3</version>
+        <version>6.0.0-4-SNAPSHOT</version>
       </parent>
 
     <artifactId>imaer-sonar-report</artifactId>
diff --git a/source/imaer-util/pom.xml b/source/imaer-util/pom.xml
index 58665c92..064ac05a 100644
--- a/source/imaer-util/pom.xml
+++ b/source/imaer-util/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <artifactId>imaer-util</artifactId>
diff --git a/source/imaer-xsd-server-standalone/pom.xml b/source/imaer-xsd-server-standalone/pom.xml
index 2d8c2aa5..0a6db961 100644
--- a/source/imaer-xsd-server-standalone/pom.xml
+++ b/source/imaer-xsd-server-standalone/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/source/imaer-xsd-server/pom.xml b/source/imaer-xsd-server/pom.xml
index d3ebad89..4ce9301c 100644
--- a/source/imaer-xsd-server/pom.xml
+++ b/source/imaer-xsd-server/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/source/pom.xml b/source/pom.xml
index d55d36e6..235421d8 100644
--- a/source/pom.xml
+++ b/source/pom.xml
@@ -21,7 +21,7 @@
 
   <groupId>nl.aerius</groupId>
   <artifactId>imaer-parent</artifactId>
-  <version>6.0.0-3</version>
+  <version>6.0.0-4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>IMAER-java</name>
diff --git a/source/shared-geo/pom.xml b/source/shared-geo/pom.xml
index 89ac4769..9ba0a222 100644
--- a/source/shared-geo/pom.xml
+++ b/source/shared-geo/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>nl.aerius</groupId>
     <artifactId>imaer-parent</artifactId>
-    <version>6.0.0-3</version>
+    <version>6.0.0-4-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>