diff --git a/build.xml b/build.xml
index ec667c166f3..e441adb1819 100644
--- a/build.xml
+++ b/build.xml
@@ -31,7 +31,7 @@ xmlns:cs="antlib:com.puppycrawl.tools.checkstyle">
 
     <property environment="env"/>
     
-    <property name="version" value="3.4.12" />
+    <property name="version" value="3.4.13-SNAPSHOT" />
     <property name="final.name" value="${name}-${version}"/>
     <property name="revision.dir" value="${basedir}/.revision" />
     <property name="revision.properties" value="revision.properties" />