diff --git a/pom.xml b/pom.xml
index 1ada8628b..2c0eada1d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
   </parent>
 
   <artifactId>github-api</artifactId>
-  <version>1.20</version>
+  <version>1.21-SNAPSHOT</version>
   <name>GitHub API for Java</name>
   <url>http://github-api.kohsuke.org/</url>
   <description>GitHub API for Java</description>