diff --git a/compactmap/pom.xml b/compactmap/pom.xml
index 6609794..fcfcdae 100644
--- a/compactmap/pom.xml
+++ b/compactmap/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.vlsi.compactmap</groupId>
-        <version>2.0-SNAPSHOT</version>
+        <version>2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jmh/pom.xml b/jmh/pom.xml
index b234c63..71a1a21 100644
--- a/jmh/pom.xml
+++ b/jmh/pom.xml
@@ -2,7 +2,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.vlsi.compactmap</groupId>
-        <version>2.0-SNAPSHOT</version>
+        <version>2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jol/pom.xml b/jol/pom.xml
index c5058f8..ba0e8cf 100644
--- a/jol/pom.xml
+++ b/jol/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.vlsi.compactmap</groupId>
-        <version>2.0-SNAPSHOT</version>
+        <version>2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 29ba1a0..a094409 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>com.github.vlsi.compactmap</groupId>
     <artifactId>parent</artifactId>
     <packaging>pom</packaging>
-    <version>2.0-SNAPSHOT</version>
+    <version>2.0</version>
     <modules>
         <module>compactmap</module>
         <module>jol</module>
@@ -31,7 +31,7 @@
         <url>https://github.com/vlsi/compactmap</url>
         <connection>scm:git:https://github.com/vlsi/compactmap.git</connection>
         <developerConnection>scm:git:https://github.com/vlsi/compactmap.git</developerConnection>
-      <tag>HEAD</tag>
+      <tag>parent-2.0</tag>
   </scm>
 
     <developers>