diff --git a/build.gradle b/build.gradle
index e41a1ff..a6529a4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ plugins {
 
 description = "Gradle plugin to find duplicate code using PMDs copy/paste detection (= CPD)"
 group = "de.aaschmid"
-version = "3.1-SNAPSHOT"
+version = "3.1"
 
 ext {
     isBuildOnJenkins = System.getenv("BUILD_TAG")?.startsWith("jenkins-") ?: false