diff --git a/gradle.properties b/gradle.properties
index cebd33a1..9db53dea 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.parallel=true
-version=3.0.0-SNAPSHOT
+version=3.0.0-M1
diff --git a/spring-session-docs/antora.yml b/spring-session-docs/antora.yml
index 28279df8..988e1d43 100644
--- a/spring-session-docs/antora.yml
+++ b/spring-session-docs/antora.yml
@@ -1,3 +1,3 @@
 name: ROOT
 version: '3.0.0'
-prerelease: '-SNAPSHOT'
+prerelease: '-M1'