diff --git a/gradle.properties b/gradle.properties
index f09a7dff..01d49be5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
 group=org.sonarsource.api.plugin
-version=13.8-SNAPSHOT
+version=13.9-SNAPSHOT
 description=Plugin API for SonarQube Server, SonarQube Cloud and SonarQube for IDE
 org.gradle.jvmargs=-Xmx2048m