diff --git a/docs/antora.yml b/docs/antora.yml
index 04b0215cee..4a085f1f95 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,3 +1,4 @@
+
 name: ROOT
-version: '6.0.0'
-prerelease: '-SNAPSHOT'
+version: '6.0.0-M1'
+prerelease: 'true'
diff --git a/gradle.properties b/gradle.properties
index d873cfbf7e..41518b845c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.29
 springBootVersion=2.4.2
 springFrameworkVersion=6.0.0-M2
 openSamlVersion=3.4.6
-version=6.0.0-SNAPSHOT
+version=6.0.0-M1
 kotlinVersion=1.6.10
 samplesBranch=6.0.x
 org.gradle.jvmargs=-Xmx3g -XX:+HeapDumpOnOutOfMemoryError