diff --git a/alien4cloud-yorc-plugin/pom.xml b/alien4cloud-yorc-plugin/pom.xml
index 455524dd..b279c9be 100644
--- a/alien4cloud-yorc-plugin/pom.xml
+++ b/alien4cloud-yorc-plugin/pom.xml
@@ -20,7 +20,7 @@
     <parent>
       <groupId>alien4cloud</groupId>
       <artifactId>alien4cloud-yorc-plugin-parent</artifactId>
-      <version>3.1.0-SNAPSHOT</version>
+      <version>3.1.0-M5</version>
     </parent>
 
     <artifactId>alien4cloud-yorc-plugin</artifactId>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 014ec568..68063696 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>alien4cloud-yorc-plugin-parent</artifactId>
     <groupId>alien4cloud</groupId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0-M5</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index dbd1589c..0d9d46c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 
   <artifactId>alien4cloud-yorc-plugin-parent</artifactId>
   <name>Ystia Orchestrator PaaS provider for Alien4Cloud</name>
-  <version>3.1.0-SNAPSHOT</version>
+  <version>3.1.0-M5</version>
   <inceptionYear>2018</inceptionYear>
   <packaging>pom</packaging>
 
@@ -60,7 +60,7 @@
     <connection>scm:git:https://github.com/ystia/yorc-a4c-plugin.git</connection>
     <developerConnection>scm:git:git@github.com:ystia/yorc-a4c-plugin.git</developerConnection>
     <url>https://github.com/ystia/yorc-a4c-plugin/</url>
-    <tag>v3.0.0</tag>
+    <tag>v3.1.0-M5</tag>
   </scm>
 
   <repositories>