diff --git a/css-checks-testkit/pom.xml b/css-checks-testkit/pom.xml
index f05340fb..4a11d7a9 100644
--- a/css-checks-testkit/pom.xml
+++ b/css-checks-testkit/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-checks-testkit</artifactId>
diff --git a/css-checks/pom.xml b/css-checks/pom.xml
index 4cb3018a..fa766031 100644
--- a/css-checks/pom.xml
+++ b/css-checks/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-checks</artifactId>
diff --git a/css-frontend/pom.xml b/css-frontend/pom.xml
index f043ea45..4af7581f 100644
--- a/css-frontend/pom.xml
+++ b/css-frontend/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-frontend</artifactId>
diff --git a/its/plugin/plugins/css-custom-rules-plugin/pom.xml b/its/plugin/plugins/css-custom-rules-plugin/pom.xml
index 9aa0fb8c..f15a377d 100644
--- a/its/plugin/plugins/css-custom-rules-plugin/pom.xml
+++ b/its/plugin/plugins/css-custom-rules-plugin/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its-plugin-plugins</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-custom-rules-plugin</artifactId>
diff --git a/its/plugin/plugins/pom.xml b/its/plugin/plugins/pom.xml
index ba91761d..14023d01 100644
--- a/its/plugin/plugins/pom.xml
+++ b/its/plugin/plugins/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its-plugin</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its-plugin-plugins</artifactId>
diff --git a/its/plugin/pom.xml b/its/plugin/pom.xml
index 8866ffe1..255974a0 100644
--- a/its/plugin/pom.xml
+++ b/its/plugin/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its-plugin</artifactId>
diff --git a/its/plugin/tests/pom.xml b/its/plugin/tests/pom.xml
index feac51ca..592a201d 100644
--- a/its/plugin/tests/pom.xml
+++ b/its/plugin/tests/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its-plugin</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its-plugin-tests</artifactId>
diff --git a/its/pom.xml b/its/pom.xml
index 6532e8ae..d8751081 100644
--- a/its/pom.xml
+++ b/its/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its</artifactId>
diff --git a/its/ruling/pom.xml b/its/ruling/pom.xml
index 1e3354fb..120a86d1 100644
--- a/its/ruling/pom.xml
+++ b/its/ruling/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its-ruling</artifactId>
diff --git a/its/ruling/tests/pom.xml b/its/ruling/tests/pom.xml
index 881ed1a6..6201120b 100644
--- a/its/ruling/tests/pom.xml
+++ b/its/ruling/tests/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css-its-ruling</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>css-its-ruling-tests</artifactId>
diff --git a/pom.xml b/pom.xml
index bd9cea7d..e33910c4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>org.codehaus.sonar-plugins.css</groupId>
   <artifactId>css</artifactId>
-  <version>3.1-SNAPSHOT</version>
+  <version>3.1</version>
   <packaging>pom</packaging>
 
   <name>SonarQube CSS / SCSS / Less Analyzer</name>
diff --git a/sonar-css-plugin/pom.xml b/sonar-css-plugin/pom.xml
index 8e098aa8..ea59ac8c 100644
--- a/sonar-css-plugin/pom.xml
+++ b/sonar-css-plugin/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.sonar-plugins.css</groupId>
     <artifactId>css</artifactId>
-    <version>3.1-SNAPSHOT</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>sonar-css-plugin</artifactId>