diff --git a/pom.xml b/pom.xml
index 1634bc9..9851a6c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.codelibs.fess</groupId>
 		<artifactId>fess-parent</artifactId>
-		<version>15.6.0-SNAPSHOT</version>
+		<version>15.6.0</version>
 		<relativePath />
 	</parent>
 	<properties>