diff --git a/pom.xml b/pom.xml
index 8989847c7e..36f6e53349 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>io.lettuce</groupId>
     <artifactId>lettuce-core</artifactId>
-    <version>5.1.0.BUILD-SNAPSHOT</version>
+    <version>5.1.0.M1</version>
     <packaging>jar</packaging>
 
     <name>Lettuce</name>
@@ -68,7 +68,7 @@
         <connection>scm:git:https://github.com/lettuce-io/lettuce-core.git</connection>
         <developerConnection>scm:git:https://github.com/lettuce-io/lettuce-core.git</developerConnection>
         <url>http://github.com/lettuce-io/lettuce-core</url>
-        <tag>HEAD</tag>
+        <tag>5.1.0.M1</tag>
     </scm>
 
     <dependencyManagement>