diff --git a/japicmp-maven-plugin/pom.xml b/japicmp-maven-plugin/pom.xml
index 9431fc0b9..45b0e164c 100644
--- a/japicmp-maven-plugin/pom.xml
+++ b/japicmp-maven-plugin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-base</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/japicmp-testbase/japicmp-test-maven-plugin-guava/pom.xml b/japicmp-testbase/japicmp-test-maven-plugin-guava/pom.xml
index 38b90c127..c0dac7fee 100644
--- a/japicmp-testbase/japicmp-test-maven-plugin-guava/pom.xml
+++ b/japicmp-testbase/japicmp-test-maven-plugin-guava/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.github.siom79.japicmp</groupId>
 		<artifactId>japicmp-testbase</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.3.1</version>
 	</parent>
 	<artifactId>japicmp-test-maven-plugin-guava</artifactId>
 
diff --git a/japicmp-testbase/japicmp-test-maven-plugin-japicmp/pom.xml b/japicmp-testbase/japicmp-test-maven-plugin-japicmp/pom.xml
index b7de6a4bb..fd25e1993 100644
--- a/japicmp-testbase/japicmp-test-maven-plugin-japicmp/pom.xml
+++ b/japicmp-testbase/japicmp-test-maven-plugin-japicmp/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.github.siom79.japicmp</groupId>
 		<artifactId>japicmp-testbase</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.3.1</version>
 	</parent>
 	<artifactId>japicmp-test-maven-plugin-japicmp</artifactId>
 
diff --git a/japicmp-testbase/japicmp-test-maven-plugin/pom.xml b/japicmp-testbase/japicmp-test-maven-plugin/pom.xml
index 520d630a8..ca79371b3 100644
--- a/japicmp-testbase/japicmp-test-maven-plugin/pom.xml
+++ b/japicmp-testbase/japicmp-test-maven-plugin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-testbase</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/japicmp-testbase/japicmp-test-v1/pom.xml b/japicmp-testbase/japicmp-test-v1/pom.xml
index 6e377b4b2..627382ed8 100644
--- a/japicmp-testbase/japicmp-test-v1/pom.xml
+++ b/japicmp-testbase/japicmp-test-v1/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-testbase</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>japicmp-test-v1</artifactId>
diff --git a/japicmp-testbase/japicmp-test-v2/pom.xml b/japicmp-testbase/japicmp-test-v2/pom.xml
index ef6f0ce5d..ebaea57cb 100644
--- a/japicmp-testbase/japicmp-test-v2/pom.xml
+++ b/japicmp-testbase/japicmp-test-v2/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-testbase</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>japicmp-test-v2</artifactId>
diff --git a/japicmp-testbase/japicmp-test/pom.xml b/japicmp-testbase/japicmp-test/pom.xml
index 3ee7ddf6c..256753a2e 100644
--- a/japicmp-testbase/japicmp-test/pom.xml
+++ b/japicmp-testbase/japicmp-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-testbase</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>japicmp-test</artifactId>
diff --git a/japicmp-testbase/pom.xml b/japicmp-testbase/pom.xml
index 4e7625d7d..603175af7 100644
--- a/japicmp-testbase/pom.xml
+++ b/japicmp-testbase/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-base</artifactId>
-        <version>0.3.1-SNAPSHOT</version>
+        <version>0.3.1</version>
     </parent>
 
     <artifactId>japicmp-testbase</artifactId>
diff --git a/japicmp/pom.xml b/japicmp/pom.xml
index 8f4e11485..b50e46a08 100644
--- a/japicmp/pom.xml
+++ b/japicmp/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.github.siom79.japicmp</groupId>
 		<artifactId>japicmp-base</artifactId>
-		<version>0.3.1-SNAPSHOT</version>
+		<version>0.3.1</version>
 	</parent>
 
 	<artifactId>japicmp</artifactId>
diff --git a/pom.xml b/pom.xml
index 37c2c4726..de3433652 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <groupId>com.github.siom79.japicmp</groupId>
     <artifactId>japicmp-base</artifactId>
-    <version>0.3.1-SNAPSHOT</version>
+    <version>0.3.1</version>
     <packaging>pom</packaging>
 
     <name>japicmp-base</name>
@@ -173,7 +173,7 @@
         <connection>scm:git:git@github.com:${github.account}/${github.project}.git</connection>
         <developerConnection>scm:git:git@github.com:${github.account}/${github.project}.git</developerConnection>
         <url>git@github.com:${github.account}/${github.project}.git</url>
-        <tag>HEAD</tag>
+        <tag>japicmp-base-0.3.1</tag>
     </scm>
 
     <profiles>