[Gradle Release Plugin] - pre tag commit:  'v2.9.0-RC1'.
diff --git a/gradle.properties b/gradle.properties
index c62305e..b9da3a7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,4 +23,4 @@
 signing.gnupg.executable=gpg
 signing.gnupg.useLegacyGpg=true
 
-version=2.9.0-SNAPSHOT
+version=2.9.0-RC1