diff --git a/docs/antora.yml b/docs/antora.yml
index c306b92d0e..2f314f81b1 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,3 +1,3 @@
 name: ROOT
-version: '5.7.0'
-prerelease: '-SNAPSHOT'
+version: '5.7.0-M1'
+prerelease: 'true'
diff --git a/gradle.properties b/gradle.properties
index 67cb9c6f54..e9633bb634 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.29
 springBootVersion=2.4.2
 springFrameworkVersion=5.3.15
 openSamlVersion=3.4.6
-version=5.7.0-SNAPSHOT
+version=5.7.0-M1
 kotlinVersion=1.6.10
 samplesBranch=main
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError