diff --git a/pom.xml b/pom.xml
index d894a2a02e7175759414de0a78c4576d2dda37e2..98fa09568e85a77bd897aa7c7d8f5d4819146ecf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.codelibs.fess</groupId>
 	<artifactId>fess</artifactId>
-	<version>13.12.0</version>
+	<version>13.12.1-SNAPSHOT</version>
 	<packaging>war</packaging>
 	<name>Fess</name>
 	<description>Fess is Full tExt Search System.</description>