diff --git a/pom.xml b/pom.xml
index 4555112f19ee43879774c80a2f8cbe3ca7035081..3e0fd96a209bc97fe89a827e97377bbd019da40d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.caosdb</groupId>
   <artifactId>caosdb-server</artifactId>
-  <version>0.3</version>
+  <version>0.4.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>CaosDB Server</name>
   <properties>