diff --git a/docs/sphinx/pom.xml b/docs/sphinx/pom.xml
index b19ca6fba..33f9e1e06 100644
--- a/docs/sphinx/pom.xml
+++ b/docs/sphinx/pom.xml
@@ -8,12 +8,12 @@
   <parent>
     <groupId>org.openmicroscopy</groupId>
     <artifactId>ome-model</artifactId>
-    <version>6.3.3</version>
+    <version>6.3.4-SNAPSHOT</version>
     <relativePath>../..</relativePath>
   </parent>
 
   <groupId>org.openmicroscopy</groupId>
-  <version>6.3.3</version>
+  <version>6.3.4-SNAPSHOT</version>
 
   <artifactId>ome-model-doc</artifactId>
   <packaging>pom</packaging>
diff --git a/ome-xml/pom.xml b/ome-xml/pom.xml
index 5f7dce950..5265afb0e 100644
--- a/ome-xml/pom.xml
+++ b/ome-xml/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.openmicroscopy</groupId>
     <artifactId>ome-model</artifactId>
-    <version>6.3.3</version>
+    <version>6.3.4-SNAPSHOT</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 45ab0132f..ed763fab3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
   <groupId>org.openmicroscopy</groupId>
   <artifactId>ome-model</artifactId>
-  <version>6.3.3</version>
+  <version>6.3.4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>OME Model</name>
diff --git a/specification/pom.xml b/specification/pom.xml
index 59d806a06..140681a5a 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.openmicroscopy</groupId>
     <artifactId>ome-model</artifactId>
-    <version>6.3.3</version>
+    <version>6.3.4-SNAPSHOT</version>
     <relativePath>..</relativePath>
   </parent>