diff --git a/acceptance-tests/acceptance-dubbo-demo/pom.xml b/acceptance-tests/acceptance-dubbo-demo/pom.xml
index 71cb3d2..9c477f1 100644
--- a/acceptance-tests/acceptance-dubbo-demo/pom.xml
+++ b/acceptance-tests/acceptance-dubbo-demo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>acceptance-tests</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <name>Saga:Acceptance Tests::DubboDemo</name>
diff --git a/acceptance-tests/acceptance-spring-cloud-demo/pom.xml b/acceptance-tests/acceptance-spring-cloud-demo/pom.xml
index e980ac7..f39fff8 100644
--- a/acceptance-tests/acceptance-spring-cloud-demo/pom.xml
+++ b/acceptance-tests/acceptance-spring-cloud-demo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>acceptance-tests</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/acceptance-tests/pom.xml b/acceptance-tests/pom.xml
index 438882b..202d0fb 100644
--- a/acceptance-tests/pom.xml
+++ b/acceptance-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/alpha/alpha-core/pom.xml b/alpha/alpha-core/pom.xml
index d647edf..ced3040 100644
--- a/alpha/alpha-core/pom.xml
+++ b/alpha/alpha-core/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>alpha</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/alpha/alpha-server/pom.xml b/alpha/alpha-server/pom.xml
index 95f33f3..b1341ed 100644
--- a/alpha/alpha-server/pom.xml
+++ b/alpha/alpha-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>alpha</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/alpha/pom.xml b/alpha/pom.xml
index 2f1dbfa..33692ed 100644
--- a/alpha/pom.xml
+++ b/alpha/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/docker-build-config/pom.xml b/docker-build-config/pom.xml
index 0ad1f36..f15a33f 100644
--- a/docker-build-config/pom.xml
+++ b/docker-build-config/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/coverage-aggregate/pom.xml b/integration-tests/coverage-aggregate/pom.xml
index 8821d1e..3d252f8 100644
--- a/integration-tests/coverage-aggregate/pom.xml
+++ b/integration-tests/coverage-aggregate/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.servicecomb.saga.tests</groupId>
     <artifactId>integration-tests</artifactId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -64,7 +64,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.saga.tests</groupId>
       <artifactId>pack-tests</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.2.1</version>
     </dependency>
   </dependencies>
 
diff --git a/integration-tests/pack-tests/pom.xml b/integration-tests/pack-tests/pom.xml
index ea22cc5..9145886 100644
--- a/integration-tests/pack-tests/pom.xml
+++ b/integration-tests/pack-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.saga.tests</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 052bf52..995077c 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-connector/omega-connector-grpc/pom.xml b/omega/omega-connector/omega-connector-grpc/pom.xml
index b8504db..8979022 100644
--- a/omega/omega-connector/omega-connector-grpc/pom.xml
+++ b/omega/omega-connector/omega-connector-grpc/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>omega-connector</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-connector/pom.xml b/omega/omega-connector/pom.xml
index f633151..33c6072 100644
--- a/omega/omega-connector/pom.xml
+++ b/omega/omega-connector/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-context/pom.xml b/omega/omega-context/pom.xml
index 1700aee..3df395f 100644
--- a/omega/omega-context/pom.xml
+++ b/omega/omega-context/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-format/pom.xml b/omega/omega-format/pom.xml
index eac7c9f..de177be 100644
--- a/omega/omega-format/pom.xml
+++ b/omega/omega-format/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-spring-starter/pom.xml b/omega/omega-spring-starter/pom.xml
index adabdd1..841d6f8 100644
--- a/omega/omega-spring-starter/pom.xml
+++ b/omega/omega-spring-starter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-spring-tx/pom.xml b/omega/omega-spring-tx/pom.xml
index 355a3f8..ce5d90a 100644
--- a/omega/omega-spring-tx/pom.xml
+++ b/omega/omega-spring-tx/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transaction/pom.xml b/omega/omega-transaction/pom.xml
index 2659433..8617ed6 100644
--- a/omega/omega-transaction/pom.xml
+++ b/omega/omega-transaction/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transport/omega-transport-dubbo/pom.xml b/omega/omega-transport/omega-transport-dubbo/pom.xml
index 547f21c..ce87866 100644
--- a/omega/omega-transport/omega-transport-dubbo/pom.xml
+++ b/omega/omega-transport/omega-transport-dubbo/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>omega-transport</artifactId>
         <groupId>org.apache.servicecomb.saga</groupId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transport/omega-transport-feign/pom.xml b/omega/omega-transport/omega-transport-feign/pom.xml
index 0a7a795..32a7536 100644
--- a/omega/omega-transport/omega-transport-feign/pom.xml
+++ b/omega/omega-transport/omega-transport-feign/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <artifactId>omega-transport</artifactId>
         <groupId>org.apache.servicecomb.saga</groupId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transport/omega-transport-resttemplate/pom.xml b/omega/omega-transport/omega-transport-resttemplate/pom.xml
index 1cda2d3..e94ffe2 100644
--- a/omega/omega-transport/omega-transport-resttemplate/pom.xml
+++ b/omega/omega-transport/omega-transport-resttemplate/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>omega-transport</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transport/omega-transport-servicecomb/pom.xml b/omega/omega-transport/omega-transport-servicecomb/pom.xml
index b3a7584..9bc56bd 100644
--- a/omega/omega-transport/omega-transport-servicecomb/pom.xml
+++ b/omega/omega-transport/omega-transport-servicecomb/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>omega-transport</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/omega-transport/pom.xml b/omega/omega-transport/pom.xml
index 23599b2..ff4e8fc 100644
--- a/omega/omega-transport/pom.xml
+++ b/omega/omega-transport/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>omega</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/omega/pom.xml b/omega/pom.xml
index 613172e..2c2f821 100644
--- a/omega/pom.xml
+++ b/omega/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -64,12 +64,12 @@
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-context</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-transaction</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/pack-common/pom.xml b/pack-common/pom.xml
index 2a8f0d7..93e5640 100644
--- a/pack-common/pom.xml
+++ b/pack-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pack-contracts/pack-contract-grpc/pom.xml b/pack-contracts/pack-contract-grpc/pom.xml
index 7040e43..e6b05a3 100644
--- a/pack-contracts/pack-contract-grpc/pom.xml
+++ b/pack-contracts/pack-contract-grpc/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>pack-contracts</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pack-contracts/pom.xml b/pack-contracts/pom.xml
index 86741e4..50507fc 100644
--- a/pack-contracts/pom.xml
+++ b/pack-contracts/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 924579b..51a754d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
   <groupId>org.apache.servicecomb.saga</groupId>
   <artifactId>saga</artifactId>
   <packaging>pom</packaging>
-  <version>0.2.1-SNAPSHOT</version>
+  <version>0.2.1</version>
 
   <modules>
     <module>docker-build-config</module>
@@ -126,72 +126,72 @@
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-context</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-transaction</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-spring-tx</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-transport-resttemplate</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-transport-dubbo</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-transport-feign</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-connector-grpc</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-spring-starter</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>omega-format</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>alpha-core</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>alpha-server</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>pack-contract-grpc</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
         <groupId>org.apache.servicecomb.saga</groupId>
         <artifactId>pack-common</artifactId>
-        <version>0.2.1-SNAPSHOT</version>
+        <version>0.2.1</version>
       </dependency>
       <dependency>
        <groupId>org.apache.servicecomb.saga</groupId>
        <artifactId>saga-persistence-jpa</artifactId>
-       <version>0.2.1-SNAPSHOT</version>
+       <version>0.2.1</version>
        </dependency>
       <dependency>
         <groupId>commons-io</groupId>
diff --git a/saga-demo/pom.xml b/saga-demo/pom.xml
index 577b308..337e6d8 100644
--- a/saga-demo/pom.xml
+++ b/saga-demo/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/saga-dubbo-demo/pom.xml b/saga-demo/saga-dubbo-demo/pom.xml
index 1c6a3cf..23c1463 100644
--- a/saga-demo/saga-dubbo-demo/pom.xml
+++ b/saga-demo/saga-dubbo-demo/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>saga-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -30,7 +30,7 @@
   <packaging>pom</packaging>
 
   <properties>
-    <saga.version>0.2.1-SNAPSHOT</saga.version>
+    <saga.version>0.2.1</saga.version>
   </properties>
 
   <modules>
diff --git a/saga-demo/saga-dubbo-demo/service-api/pom.xml b/saga-demo/saga-dubbo-demo/service-api/pom.xml
index c78eed0..3d5806c 100644
--- a/saga-demo/saga-dubbo-demo/service-api/pom.xml
+++ b/saga-demo/saga-dubbo-demo/service-api/pom.xml
@@ -24,14 +24,14 @@
     <dependency>
       <groupId>org.apache.servicecomb.saga.demo</groupId>
       <artifactId>service-pub</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.2.1</version>
     </dependency>
   </dependencies>
 
   <parent>
     <artifactId>saga-dubbo-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
 
   <artifactId>service-api</artifactId>
diff --git a/saga-demo/saga-dubbo-demo/service-pub/pom.xml b/saga-demo/saga-dubbo-demo/service-pub/pom.xml
index bfdf64f..a91a58f 100644
--- a/saga-demo/saga-dubbo-demo/service-pub/pom.xml
+++ b/saga-demo/saga-dubbo-demo/service-pub/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>saga-dubbo-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/saga-dubbo-demo/servicea/pom.xml b/saga-demo/saga-dubbo-demo/servicea/pom.xml
index 78e7a38..baafee4 100644
--- a/saga-demo/saga-dubbo-demo/servicea/pom.xml
+++ b/saga-demo/saga-dubbo-demo/servicea/pom.xml
@@ -36,7 +36,7 @@
   <parent>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
     <artifactId>saga-dubbo-demo</artifactId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
 
   <artifactId>servicea</artifactId>
diff --git a/saga-demo/saga-dubbo-demo/serviceb/pom.xml b/saga-demo/saga-dubbo-demo/serviceb/pom.xml
index 9440a74..3e876d7 100644
--- a/saga-demo/saga-dubbo-demo/serviceb/pom.xml
+++ b/saga-demo/saga-dubbo-demo/serviceb/pom.xml
@@ -24,7 +24,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.saga.demo</groupId>
       <artifactId>service-api</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.2.1</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
     <artifactId>saga-dubbo-demo</artifactId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
 
   <artifactId>serviceb</artifactId>
diff --git a/saga-demo/saga-dubbo-demo/servicec/pom.xml b/saga-demo/saga-dubbo-demo/servicec/pom.xml
index 87f1e34..552ce6f 100644
--- a/saga-demo/saga-dubbo-demo/servicec/pom.xml
+++ b/saga-demo/saga-dubbo-demo/servicec/pom.xml
@@ -24,7 +24,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.saga.demo</groupId>
       <artifactId>service-api</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.2.1</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
     <artifactId>saga-dubbo-demo</artifactId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
 
   <artifactId>servicec</artifactId>
diff --git a/saga-demo/saga-spring-cloud-demo/booking/pom.xml b/saga-demo/saga-spring-cloud-demo/booking/pom.xml
index 21c9914..785b37d 100644
--- a/saga-demo/saga-spring-cloud-demo/booking/pom.xml
+++ b/saga-demo/saga-spring-cloud-demo/booking/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga-spring-cloud-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/saga-spring-cloud-demo/car/pom.xml b/saga-demo/saga-spring-cloud-demo/car/pom.xml
index 86b55a1..4d66d3b 100644
--- a/saga-demo/saga-spring-cloud-demo/car/pom.xml
+++ b/saga-demo/saga-spring-cloud-demo/car/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga-spring-cloud-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/saga-spring-cloud-demo/hotel/pom.xml b/saga-demo/saga-spring-cloud-demo/hotel/pom.xml
index f99ff53..728a2db 100644
--- a/saga-demo/saga-spring-cloud-demo/hotel/pom.xml
+++ b/saga-demo/saga-spring-cloud-demo/hotel/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga-spring-cloud-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/saga-spring-cloud-demo/pom.xml b/saga-demo/saga-spring-cloud-demo/pom.xml
index 24275cc..48425b0 100644
--- a/saga-demo/saga-spring-cloud-demo/pom.xml
+++ b/saga-demo/saga-spring-cloud-demo/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>saga-demo</artifactId>
     <groupId>org.apache.servicecomb.saga.demo</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-distribution/pom.xml b/saga-distribution/pom.xml
index 556806c..2ca63af 100644
--- a/saga-distribution/pom.xml
+++ b/saga-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
       <groupId>org.apache.servicecomb.saga</groupId>
       <artifactId>saga</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.2.1</version>
     </parent>
     <artifactId>apache-servicecomb-incubating-saga-distribution</artifactId>
     <name>Saga::Distribution</name>
diff --git a/saga-persistence/pom.xml b/saga-persistence/pom.xml
index 16e7feb..68833b4 100644
--- a/saga-persistence/pom.xml
+++ b/saga-persistence/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-persistence/saga-persistence-jpa/pom.xml b/saga-persistence/saga-persistence-jpa/pom.xml
index 0b13bc6..90220f1 100644
--- a/saga-persistence/saga-persistence-jpa/pom.xml
+++ b/saga-persistence/saga-persistence-jpa/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>saga-persistence</artifactId>
     <groupId>org.apache.servicecomb.saga</groupId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>