[maven-release-plugin] prepare release druid-0.4.21
diff --git a/client/pom.xml b/client/pom.xml
index e4c443d..796a805 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/common/pom.xml b/common/pom.xml
index c580566..16f4767 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/examples/pom.xml b/examples/pom.xml
index 6714b54..0987015 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/index-common/pom.xml b/index-common/pom.xml
index fd44593..159f2a8 100644
--- a/index-common/pom.xml
+++ b/index-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/indexer/pom.xml b/indexer/pom.xml
index 30dc94c..a5a37fe 100644
--- a/indexer/pom.xml
+++ b/indexer/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/merger/pom.xml b/merger/pom.xml
index 275de20..6fd1ac4 100644
--- a/merger/pom.xml
+++ b/merger/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 390d53d..ada8427 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <groupId>com.metamx</groupId>
     <artifactId>druid</artifactId>
     <packaging>pom</packaging>
-    <version>0.4.21-SNAPSHOT</version>
+    <version>0.4.21</version>
     <name>druid</name>
     <description>druid</description>
     <scm>
diff --git a/realtime/pom.xml b/realtime/pom.xml
index 00b6224..3eefbb5 100644
--- a/realtime/pom.xml
+++ b/realtime/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index cd25b83..99a6831 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>
diff --git a/services/pom.xml b/services/pom.xml
index 3f5d1f3..7974d78 100644
--- a/services/pom.xml
+++ b/services/pom.xml
@@ -24,11 +24,11 @@
     <artifactId>druid-services</artifactId>
     <name>druid-services</name>
     <description>druid-services</description>
-    <version>0.4.21-SNAPSHOT</version>
+    <version>0.4.21</version>
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.4.21-SNAPSHOT</version>
+        <version>0.4.21</version>
     </parent>
 
     <dependencies>