update pom version This closes #334
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 6cde533..37fba2f 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/common/pom.xml b/common/pom.xml
index 8ede2295..c7b589f 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/core/pom.xml b/core/pom.xml
index 4f6d223..69982a9 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index dc4c30c..40e8221 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/format/pom.xml b/format/pom.xml
index 4e34816..4aeed48 100644
--- a/format/pom.xml
+++ b/format/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index 53061fb..d990906 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/integration-testcases/pom.xml b/integration-testcases/pom.xml
index 0b93f11..63c99a8 100644
--- a/integration-testcases/pom.xml
+++ b/integration-testcases/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.2.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/integration/spark/pom.xml b/integration/spark/pom.xml
index f9a0549..91a148f 100644
--- a/integration/spark/pom.xml
+++ b/integration/spark/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 087aa4d..86afcc3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
   <inceptionYear>2016</inceptionYear>
   <packaging>pom</packaging>
 
-  <version>0.3.0-incubating-SNAPSHOT</version>
+  <version>0.2.1-incubating-SNAPSHOT</version>
 
   <licenses>
     <license>
diff --git a/processing/pom.xml b/processing/pom.xml
index 7106f3e..57e0491 100644
--- a/processing/pom.xml
+++ b/processing/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.carbondata</groupId>
     <artifactId>carbondata-parent</artifactId>
-    <version>0.3.0-incubating-SNAPSHOT</version>
+    <version>0.2.1-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>