diff --git a/README.md b/README.md
index d843ba9fcc5a8074007f7c4f487e2af2041a158c..9f4d90c8c25abc0fe5d3be3d08b99300d9c05cb9 100644
--- a/README.md
+++ b/README.md
@@ -20,11 +20,11 @@ Building
  
     mvn package
 
- Obtain "boostkit-graph-acc_2.12-2.1.0-spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-accelerator/target/" directory
+ Obtain "boostkit-graph-acc_2.12-2.2.0-spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-accelerator/target/" directory
 
- Obtain "boostkit-graph-core_2.12-2.1.0-Spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-core/target/" directory
+ Obtain "boostkit-graph-core_2.12-2.2.0-Spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-core/target/" directory
  
- Obtain "boostkit-graph-kernel-clinet_2.12-2.1.0-Spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-kernel/target/" directory
+ Obtain "boostkit-graph-kernel-clinet_2.12-2.2.0-Spark3.1.1.jar" from the "Spark-graph-algo-lib/graph-kernel/target/" directory
  
 
 
diff --git a/graph-accelerator/pom.xml b/graph-accelerator/pom.xml
index ccea4abd397115a2fc512a38da7c6a6c07226055..5ff708425b3dbef3d9efe4c5292db7e940e3f5ba 100644
--- a/graph-accelerator/pom.xml
+++ b/graph-accelerator/pom.xml
@@ -2,13 +2,13 @@
   <parent>
     <groupId>org.apache.spark</groupId>
     <artifactId>boostkit-graph</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.spark.graphx.lib</groupId>
   <artifactId>boostkit-graph-acc_2.12</artifactId>
-  <version>2.1.0</version>
+  <version>2.2.0</version>
   <name>${project.artifactId}</name>
   <description>Spark graph algo accelerator</description>
   
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>org.apache.spark.graphx.lib</groupId>
       <artifactId>boostkit-graph-kernel-client_2.12</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
       <classifier>${spark.version}</classifier>
       <scope>compile</scope>
     </dependency>
diff --git a/graph-core/pom.xml b/graph-core/pom.xml
index 00fbcf87108e7e12be6667fee3a311b7351943e8..edc08a899bda35da85fec0f123eaa018f0ac4c36 100644
--- a/graph-core/pom.xml
+++ b/graph-core/pom.xml
@@ -2,13 +2,13 @@
     <parent>
         <groupId>org.apache.spark</groupId>
         <artifactId>boostkit-graph</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
 <!--    <groupId>org.apache.spark.graphx.lib</groupId>-->
     <artifactId>boostkit-graph-core_2.12</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <name>${project.artifactId}</name>
     <description>Spark graph core</description>
 
diff --git a/graph-kernel/pom.xml b/graph-kernel/pom.xml
index b390426b33bb14dcf5d81e150b6994da6dbd8a1c..6bd7513a4bb3fb1e8860f5148e90511032af70c2 100644
--- a/graph-kernel/pom.xml
+++ b/graph-kernel/pom.xml
@@ -2,12 +2,12 @@
   <parent>
     <groupId>org.apache.spark</groupId>
     <artifactId>boostkit-graph</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.spark.graphx.lib</groupId>
   <artifactId>boostkit-graph-kernel-client_2.12</artifactId>
-  <version>2.1.0</version>
+  <version>2.2.0</version>
   <name>${project.artifactId}</name>
   <description>Spark graph algo client</description>
   <inceptionYear>2020</inceptionYear>
diff --git a/pom.xml b/pom.xml
index b95567aa70edea1fd397a65eae9360e779a6a98f..112de3a722c07868bd1caa6d4cf06a4661332f38 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.spark</groupId>
     <artifactId>boostkit-graph</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <name>${project.artifactId}</name>
     <description>Spark graph algo</description>
     <inceptionYear>2020</inceptionYear>