diff --git a/client/pom.xml b/client/pom.xml
index 2549a7ea163..499a7e689ba 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/common/pom.xml b/common/pom.xml
index 37ed11872f9..3a33f89ef3e 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/examples/pom.xml b/examples/pom.xml
index 4fe84788f3f..e745cbd0160 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-common/pom.xml b/indexing-common/pom.xml
index 10b0279e94d..9568d05d524 100644
--- a/indexing-common/pom.xml
+++ b/indexing-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-hadoop/pom.xml b/indexing-hadoop/pom.xml
index 8371613d771..826fc7a2c6a 100644
--- a/indexing-hadoop/pom.xml
+++ b/indexing-hadoop/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-service/pom.xml b/indexing-service/pom.xml
index fdcf8f770ba..e6e75dfb546 100644
--- a/indexing-service/pom.xml
+++ b/indexing-service/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 5b4a634e9be..58c52e5262f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <groupId>com.metamx</groupId>
     <artifactId>druid</artifactId>
     <packaging>pom</packaging>
-    <version>0.5.20</version>
+    <version>0.5.21-SNAPSHOT</version>
     <name>druid</name>
     <description>druid</description>
     <scm>
diff --git a/realtime/pom.xml b/realtime/pom.xml
index 35cd7df8e2a..b29bc157be8 100644
--- a/realtime/pom.xml
+++ b/realtime/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index e37efd77564..5b53443c1fb 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/services/pom.xml b/services/pom.xml
index 2b417053920..e0542aac107 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>0.5.20</version>
+    <version>0.5.21-SNAPSHOT</version>
     <parent>
         <groupId>com.metamx</groupId>
         <artifactId>druid</artifactId>
-        <version>0.5.20</version>
+        <version>0.5.21-SNAPSHOT</version>
     </parent>
 
     <dependencies>