diff --git a/pom.xml b/pom.xml
index dfea51ca5..e56aaf03e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.data</groupId>
 	<artifactId>spring-data-elasticsearch</artifactId>
-	<version>5.1.0-SNAPSHOT</version>
+	<version>5.1.0-M1</version>
 
 	<parent>
 		<groupId>org.springframework.data.build</groupId>