diff --git a/gradle.properties b/gradle.properties
index 25238394214cf..894c9fd247ce0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,7 +20,7 @@ group=org.apache.kafka
 #  - tests/kafkatest/__init__.py
 #  - tests/kafkatest/version.py (variable DEV_VERSION)
 #  - kafka-merge-pr.py
-version=6.0.0-alpha1
+version=6.0.0-ccs-alpha1
 scalaVersion=2.12.10
 task=build
 org.gradle.jvmargs=-Xmx1024m -Xss2m