[maven-release-plugin] prepare for next development iteration
diff --git a/pom.xml b/pom.xml
index 3300bcb..b11a539 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <artifactId>struts2-plugins</artifactId>
         <groupId>org.apache.struts</groupId>
-        <version>2.3.19</version>
+        <version>2.3.20-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>