diff --git a/pom.xml b/pom.xml
index 8562e58..1856912 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
   <artifactId>umlgraph</artifactId>
   <packaging>jar</packaging>
   <name>UMLGraph</name>
-  <version>5.6.6</version>
+  <version>5.6.7-SNAPSHOT</version>
   <description>Declarative Drawing of UML Diagrams</description>
   <url>http://www.umlgraph.org</url>