[maven-release-plugin] prepare for next development iteration
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-api/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-api/pom.xml
index 140b24c..7be60ab 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-api/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-api</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-dingtalk/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-dingtalk/pom.xml
index c4e269b..87760a2 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-dingtalk/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-dingtalk/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-dingtalk</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/pom.xml
index aa72d00..7e012d6 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-email</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-feishu/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-feishu/pom.xml
index 6887135..f8a42a0 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-feishu/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-feishu/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-feishu</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-http/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-http/pom.xml
index 3bba7bf..97bdf4a 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-http/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-http/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-http</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-script/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-script/pom.xml
index d9f5ee5..aa51844 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-script/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-script/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-script</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-slack/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-slack/pom.xml
index effe339..511ba5b 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-slack/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-slack/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-slack</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-wechat/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-wechat/pom.xml
index d9756b3..69053ac 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-wechat/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-wechat/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-wechat</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/pom.xml
index 7ea661b..cfbe0aa 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-alert</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-alert-plugins</artifactId>
diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-server/pom.xml b/dolphinscheduler-alert/dolphinscheduler-alert-server/pom.xml
index f0fca57..df293d9 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-server/pom.xml
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-server/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler-alert</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-alert-server</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-alert/pom.xml b/dolphinscheduler-alert/pom.xml
index ef0bc29..afc4893 100644
--- a/dolphinscheduler-alert/pom.xml
+++ b/dolphinscheduler-alert/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/dolphinscheduler-api/pom.xml b/dolphinscheduler-api/pom.xml
index 6a6defd..9916d22 100644
--- a/dolphinscheduler-api/pom.xml
+++ b/dolphinscheduler-api/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-api</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-common/pom.xml b/dolphinscheduler-common/pom.xml
index ad457a7..3b315ca 100644
--- a/dolphinscheduler-common/pom.xml
+++ b/dolphinscheduler-common/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-common</artifactId>
     <name>dolphinscheduler-common</name>
diff --git a/dolphinscheduler-dao/pom.xml b/dolphinscheduler-dao/pom.xml
index 392516d..78bf29c 100644
--- a/dolphinscheduler-dao/pom.xml
+++ b/dolphinscheduler-dao/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-dao</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-all/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-all/pom.xml
index 80044a7..28ae26e 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-all/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-all/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/pom.xml
index e004492..d6bae32 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-clickhouse/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-clickhouse/pom.xml
index 56ecdaf..5ca3058 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-clickhouse/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-clickhouse/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-db2/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-db2/pom.xml
index f21d791..ae3076e 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-db2/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-db2/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-hive/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-hive/pom.xml
index 677dfe6..199213b 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-hive/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-hive/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-mysql/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-mysql/pom.xml
index 78a6695..c78f1b7 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-mysql/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-mysql/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/pom.xml
index 303c4f3..fcf82ee 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-postgresql/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-postgresql/pom.xml
index 0acedc1..177ec57 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-postgresql/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-postgresql/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-sqlserver/pom.xml b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-sqlserver/pom.xml
index 47c8e55..fc6d73d 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-sqlserver/pom.xml
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-sqlserver/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler-datasource-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-datasource-plugin/pom.xml b/dolphinscheduler-datasource-plugin/pom.xml
index e58a5b0..2f16da9 100644
--- a/dolphinscheduler-datasource-plugin/pom.xml
+++ b/dolphinscheduler-datasource-plugin/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-datasource-plugin</artifactId>
diff --git a/dolphinscheduler-dist/pom.xml b/dolphinscheduler-dist/pom.xml
index 5233706..d211fd8 100644
--- a/dolphinscheduler-dist/pom.xml
+++ b/dolphinscheduler-dist/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-python/pom.xml b/dolphinscheduler-python/pom.xml
index afecc77..afd36f7 100644
--- a/dolphinscheduler-python/pom.xml
+++ b/dolphinscheduler-python/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-python</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-registry/dolphinscheduler-registry-api/pom.xml b/dolphinscheduler-registry/dolphinscheduler-registry-api/pom.xml
index 1ccd9da6..d50b863 100644
--- a/dolphinscheduler-registry/dolphinscheduler-registry-api/pom.xml
+++ b/dolphinscheduler-registry/dolphinscheduler-registry-api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dolphinscheduler-registry</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-registry/dolphinscheduler-registry-plugins/dolphinscheduler-registry-zookeeper/pom.xml b/dolphinscheduler-registry/dolphinscheduler-registry-plugins/dolphinscheduler-registry-zookeeper/pom.xml
index 9a207ff..68b0ba5 100644
--- a/dolphinscheduler-registry/dolphinscheduler-registry-plugins/dolphinscheduler-registry-zookeeper/pom.xml
+++ b/dolphinscheduler-registry/dolphinscheduler-registry-plugins/dolphinscheduler-registry-zookeeper/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-registry-plugins</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-registry/dolphinscheduler-registry-plugins/pom.xml b/dolphinscheduler-registry/dolphinscheduler-registry-plugins/pom.xml
index 3e83274..4193da4 100644
--- a/dolphinscheduler-registry/dolphinscheduler-registry-plugins/pom.xml
+++ b/dolphinscheduler-registry/dolphinscheduler-registry-plugins/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dolphinscheduler-registry</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-registry-plugins</artifactId>
     <modelVersion>4.0.0</modelVersion>
diff --git a/dolphinscheduler-registry/pom.xml b/dolphinscheduler-registry/pom.xml
index 6190163..fcf6c8e 100644
--- a/dolphinscheduler-registry/pom.xml
+++ b/dolphinscheduler-registry/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-registry</artifactId>
diff --git a/dolphinscheduler-remote/pom.xml b/dolphinscheduler-remote/pom.xml
index b9454e8..66aa6a9 100644
--- a/dolphinscheduler-remote/pom.xml
+++ b/dolphinscheduler-remote/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-server/pom.xml b/dolphinscheduler-server/pom.xml
index 3980b74..f8dcb43 100644
--- a/dolphinscheduler-server/pom.xml
+++ b/dolphinscheduler-server/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-server</artifactId>
     <name>dolphinscheduler-server</name>
diff --git a/dolphinscheduler-service/pom.xml b/dolphinscheduler-service/pom.xml
index dee244d..94a5904 100644
--- a/dolphinscheduler-service/pom.xml
+++ b/dolphinscheduler-service/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-spi/pom.xml b/dolphinscheduler-spi/pom.xml
index d269819..50a0750 100644
--- a/dolphinscheduler-spi/pom.xml
+++ b/dolphinscheduler-spi/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-spi</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-standalone-server/pom.xml b/dolphinscheduler-standalone-server/pom.xml
index c6e7918..3a37af1 100644
--- a/dolphinscheduler-standalone-server/pom.xml
+++ b/dolphinscheduler-standalone-server/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-api/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-api/pom.xml
index fb13c7e..716db17 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-api/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/pom.xml
index 1f30dfb..3cdbc1f 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-flink/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-flink/pom.xml
index 22a4132..1ba1227 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-flink/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-flink/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-http/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-http/pom.xml
index aeaa133..7ccd8be 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-http/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-http/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-mr/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-mr/pom.xml
index 9c212de..db7f575 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-mr/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-mr/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-pigeon/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-pigeon/pom.xml
index 08ce950..f0d2451 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-pigeon/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-pigeon/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-procedure/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-procedure/pom.xml
index dcbadf5..21c1a44 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-procedure/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-procedure/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-python/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-python/pom.xml
index 5335862..a1217f9 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-python/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-python/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-shell/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-shell/pom.xml
index c9c6fb8..2cf1b1b 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-shell/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-shell/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-spark/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-spark/pom.xml
index f73074d..883774c 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-spark/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-spark/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-task-spark</artifactId>
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-sql/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-sql/pom.xml
index 95ee3e4..850c81b 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-sql/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-sql/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-sqoop/pom.xml b/dolphinscheduler-task-plugin/dolphinscheduler-task-sqoop/pom.xml
index a5e622e..0e5303e 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-sqoop/pom.xml
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-sqoop/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler-task-plugin</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-task-plugin/pom.xml b/dolphinscheduler-task-plugin/pom.xml
index 58d302b..03a0199 100644
--- a/dolphinscheduler-task-plugin/pom.xml
+++ b/dolphinscheduler-task-plugin/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>2.0.8</version>
+        <version>2.0.9-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-ui/pom.xml b/dolphinscheduler-ui/pom.xml
index a2eeba0..e2932a1 100644
--- a/dolphinscheduler-ui/pom.xml
+++ b/dolphinscheduler-ui/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>dolphinscheduler</artifactId>
     <groupId>org.apache.dolphinscheduler</groupId>
-    <version>2.0.8</version>
+    <version>2.0.9-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 7e47bd6..e86a984 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.dolphinscheduler</groupId>
     <artifactId>dolphinscheduler</artifactId>
-    <version>2.0.8</version>
+    <version>2.0.9-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>${project.artifactId}</name>
     <url>https://dolphinscheduler.apache.org</url>
@@ -38,7 +38,7 @@
         <connection>scm:git:https://github.com/apache/dolphinscheduler.git</connection>
         <developerConnection>scm:git:https://github.com/apache/dolphinscheduler.git</developerConnection>
         <url>https://github.com/apache/dolphinscheduler</url>
-        <tag>2.0.8</tag>
+        <tag>HEAD</tag>
     </scm>
     <mailingLists>
         <mailingList>