diff --git a/lib/pom.xml b/lib/pom.xml
index 4902d813..9190ab73 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -12,7 +12,7 @@
   <parent>
     <groupId>com.github.oboehm</groupId>
     <artifactId>gdv-xport</artifactId>
-    <version>6.6.0</version>
+    <version>6.6.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>gdv-xport-lib</artifactId>
diff --git a/pom.xml b/pom.xml
index b7571795..76164092 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
   <groupId>com.github.oboehm</groupId>
   <artifactId>gdv-xport</artifactId>
   <packaging>pom</packaging>
-  <version>6.6.0</version>
+  <version>6.6.1-SNAPSHOT</version>
   <name>GDV.XPort</name>
 
   <modules>
diff --git a/service/pom.xml b/service/pom.xml
index 87460c26..6adec5c8 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.github.oboehm</groupId>
     <artifactId>gdv-xport</artifactId>
-    <version>6.6.0</version>
+    <version>6.6.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>gdv-xport-service</artifactId>