diff --git a/c++/pom.xml b/c++/pom.xml
index 3cfb84c..0bdd90a 100644
--- a/c++/pom.xml
+++ b/c++/pom.xml
@@ -20,13 +20,13 @@
     <parent>
       <groupId>org.apache.hama</groupId>
       <artifactId>hama-parent</artifactId>
-      <version>0.6.3-SNAPSHOT</version>
+      <version>0.6.3</version>
     </parent>
     
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-pipes</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
     <name>pipes</name>
     <description>Apache Hama Pipes</description>
     <packaging>pom</packaging>
@@ -49,17 +49,16 @@
                   <goals><goal>run</goal></goals>
                   <configuration>
                     <target>
-                      <mkdir dir="${project.build.directory}/native"/>
-                      <exec executable="cmake" dir="${project.build.directory}/native"
-                          failonerror="true">
-                        <arg line="${basedir}/src/ -DJVM_ARCH_DATA_MODEL=${sun.arch.data.model}"/>
+                      <mkdir dir="${project.build.directory}/native" />
+                      <exec executable="cmake" dir="${project.build.directory}/native" failonerror="true">
+                        <arg line="${basedir}/src/ -DJVM_ARCH_DATA_MODEL=${sun.arch.data.model}" />
                       </exec>
                       <exec executable="make" dir="${project.build.directory}/native" failonerror="true">
-                        <arg line="VERBOSE=1"/>
+                        <arg line="VERBOSE=1" />
                       </exec>
                       <!-- The second make is a workaround for HADOOP-9215.  It can
                            be removed when version 2.6 of cmake is no longer supported . -->
-                      <exec executable="make" dir="${project.build.directory}/native" failonerror="true"></exec>
+                      <exec executable="make" dir="${project.build.directory}/native" failonerror="true" />
                     </target>
                   </configuration>
                 </execution>
@@ -95,9 +94,9 @@
               </goals>
               <configuration>
                 <target>
-                  <mkdir dir="${basedir}/../target/native"/>
+                  <mkdir dir="${basedir}/../target/native" />
                   <copy toDir="${basedir}/../target/native">
-                    <fileset dir="${basedir}/src/main/native"/>
+                    <fileset dir="${basedir}/src/main/native" />
                   </copy>
                 </target>
               </configuration>
diff --git a/core/pom.xml b/core/pom.xml
index 124b995..47a9cf8 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-parent</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.hama</groupId>
   <artifactId>hama-core</artifactId>
   <name>core</name>
-  <version>0.6.3-SNAPSHOT</version>
+  <version>0.6.3</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/dist/pom.xml b/dist/pom.xml
index 9588539..4dbbaa4 100644
--- a/dist/pom.xml
+++ b/dist/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-parent</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
   </parent>
   
   <artifactId>hama-dist</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 20da833..e1ef1ed 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-parent</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.hama</groupId>
   <artifactId>hama-examples</artifactId>
   <name>examples</name>
-  <version>0.6.3-SNAPSHOT</version>
+  <version>0.6.3</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/graph/pom.xml b/graph/pom.xml
index 53bc7cd..32f3848 100644
--- a/graph/pom.xml
+++ b/graph/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-parent</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.hama</groupId>
   <artifactId>hama-graph</artifactId>
   <name>graph</name>
-  <version>0.6.3-SNAPSHOT</version>
+  <version>0.6.3</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/ml/pom.xml b/ml/pom.xml
index cbc4443..bb2e347 100644
--- a/ml/pom.xml
+++ b/ml/pom.xml
@@ -20,14 +20,14 @@
   <parent>
     <groupId>org.apache.hama</groupId>
     <artifactId>hama-parent</artifactId>
-    <version>0.6.3-SNAPSHOT</version>
+    <version>0.6.3</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.hama</groupId>
   <artifactId>hama-ml</artifactId>
   <name>machine learning</name>
-  <version>0.6.3-SNAPSHOT</version>
+  <version>0.6.3</version>
   <packaging>jar</packaging>
 
   <dependencies>
diff --git a/pom.xml b/pom.xml
index f66e04e..570406c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
   <groupId>org.apache.hama</groupId>
   <artifactId>hama-parent</artifactId>
   <name>Apache Hama parent POM</name>
-  <version>0.6.3-SNAPSHOT</version>
+  <version>0.6.3</version>
   <url>http://hama.apache.org</url>
   <packaging>pom</packaging>
   <prerequisites>
@@ -75,12 +75,12 @@
     </license>
   </licenses>
   <scm>
-    <url>scm:svn:https://svn.apache.org/repos/asf/hama/</url>
+    <url>scm:svn:https://svn.apache.org/repos/asf/hama/tags/0.6.3-RC2</url>
     <connection>
-      scm:svn:http://svn.apache.org/repos/asf/hama/trunk/
+      scm:svn:http://svn.apache.org/repos/asf/hama/tags/0.6.3-RC2
     </connection>
     <developerConnection>
-      scm:svn:https://svn.apache.org/repos/asf/hama/trunk/
+      scm:svn:https://svn.apache.org/repos/asf/hama/tags/0.6.3-RC2
     </developerConnection>
   </scm>