diff --git a/IT/pom.xml b/IT/pom.xml
index 7c54f2ac..473659b7 100644
--- a/IT/pom.xml
+++ b/IT/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/api/pom.xml b/api/pom.xml
index 8b143da4..26150343 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/gclogs/pom.xml b/gclogs/pom.xml
index 73066e4a..2513f286 100644
--- a/gclogs/pom.xml
+++ b/gclogs/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/parser/pom.xml b/parser/pom.xml
index 3a752c3c..45fa5302 100644
--- a/parser/pom.xml
+++ b/parser/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index a0794050..bbe91c7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>com.microsoft.gctoolkit</groupId>
     <artifactId>gctoolkit</artifactId>
     <packaging>pom</packaging>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
 
     <name>GCToolKit</name>
     <description>GC log parsing utilities</description>
@@ -28,7 +28,7 @@
         <connection>scm:git:${repository.url}</connection>
         <developerConnection>scm:git:${repository.url}</developerConnection>
         <url>${repository.url}</url>
-        <tag>HEAD</tag>
+        <tag>gctoolkit-3.1.0</tag>
     </scm>
   
     <developers>
diff --git a/sample/pom.xml b/sample/pom.xml
index 9b999a38..f7d8c24e 100644
--- a/sample/pom.xml
+++ b/sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/vertx/pom.xml b/vertx/pom.xml
index 3ebc502a..b5b2b5a7 100644
--- a/vertx/pom.xml
+++ b/vertx/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.microsoft.gctoolkit</groupId>
         <artifactId>gctoolkit</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>