diff --git a/dolphinscheduler-alert/pom.xml b/dolphinscheduler-alert/pom.xml
index 9e885ac8779faf8619c79e959d5e41d367e6a9a1..ead46f5e8d8942be747551adbc0b6da13e0a5336 100644
--- a/dolphinscheduler-alert/pom.xml
+++ b/dolphinscheduler-alert/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <artifactId>dolphinscheduler-alert</artifactId>
     <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-api/pom.xml b/dolphinscheduler-api/pom.xml
index cb7d6a38e20769719d7e4870ae3c760f1e357fab..06a444aa6d6294f857a1caf3dcc8b707c21474e0 100644
--- a/dolphinscheduler-api/pom.xml
+++ b/dolphinscheduler-api/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.dolphinscheduler</groupId>
     <artifactId>dolphinscheduler</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1-SNAPSHOT</version>
   </parent>
   <artifactId>dolphinscheduler-api</artifactId>
   <name>${project.artifactId}</name>
diff --git a/dolphinscheduler-common/pom.xml b/dolphinscheduler-common/pom.xml
index e94321acd11c94a7af9c181ffd16d227ff4f0fc4..49c57d506bcb0db43238ac6e35d96635e302a62a 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>1.2.0</version>
+		<version>1.2.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>dolphinscheduler-common</artifactId>
 	<name>dolphinscheduler-common</name>
diff --git a/dolphinscheduler-dao/pom.xml b/dolphinscheduler-dao/pom.xml
index d57f9863dc857b2791db06bfd982885bd2c9dcba..85467e12d485af0e38bed7997ff4e81ea357d9ae 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>1.2.0</version>
+		<version>1.2.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>dolphinscheduler-dao</artifactId>
 	<name>${project.artifactId}</name>
diff --git a/dolphinscheduler-dist/dolphinscheduler-backend/pom.xml b/dolphinscheduler-dist/dolphinscheduler-backend/pom.xml
index 3ee4e8d6700575889662eac4719a1449e45e5316..8954710f9fc03a7b20c920e563427480a5436d1a 100644
--- a/dolphinscheduler-dist/dolphinscheduler-backend/pom.xml
+++ b/dolphinscheduler-dist/dolphinscheduler-backend/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler-dist</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dolphinscheduler-backend</artifactId>
diff --git a/dolphinscheduler-dist/dolphinscheduler-front/pom.xml b/dolphinscheduler-dist/dolphinscheduler-front/pom.xml
index aec2915e80d6697d869f3440e8aad3fe08e45f48..37120e671450aee619cb683855ab0012a5faf232 100644
--- a/dolphinscheduler-dist/dolphinscheduler-front/pom.xml
+++ b/dolphinscheduler-dist/dolphinscheduler-front/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler-dist</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-dist/dolphinscheduler-src/pom.xml b/dolphinscheduler-dist/dolphinscheduler-src/pom.xml
index 80e16d989bfcdbd9b9dfcd74e8b9dc82100fa031..96151ec80907dd58dbc4bcbfb3bd50f362fc55c9 100644
--- a/dolphinscheduler-dist/dolphinscheduler-src/pom.xml
+++ b/dolphinscheduler-dist/dolphinscheduler-src/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dolphinscheduler-dist</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-dist/pom.xml b/dolphinscheduler-dist/pom.xml
index 4b62d224e3a0293053fecdd57a684d83b49af198..209b4679ceee062f4cc0b4655a96c14cd970067d 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>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-rpc/pom.xml b/dolphinscheduler-rpc/pom.xml
index dca08687a13fae91f066b88e1caafed4308670ef..f0ac1a0e4313e372f64b11a07be66eb366f048e9 100644
--- a/dolphinscheduler-rpc/pom.xml
+++ b/dolphinscheduler-rpc/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dolphinscheduler</groupId>
         <artifactId>dolphinscheduler</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dolphinscheduler-server/pom.xml b/dolphinscheduler-server/pom.xml
index 9203597558fe51eabb7327db27234dbda52cb2f4..2ccc880a419e709f3fba2344f4df49ddb076094c 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>1.2.0</version>
+		<version>1.2.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>dolphinscheduler-server</artifactId>
 	<name>dolphinscheduler-server</name>
diff --git a/dolphinscheduler-ui/pom.xml b/dolphinscheduler-ui/pom.xml
index 44f69efe98b1aac37badfee2e98899fa9b126fb6..87af50b43334cafb6ce84bef312a319de3b3411a 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>1.2.0</version>
+    <version>1.2.1-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 6758be8ad5aace9bcce0cca2e92ea2de323f6397..9e02474132d280e80585b427db6e0cb62aeff67b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.apache.dolphinscheduler</groupId>
 	<artifactId>dolphinscheduler</artifactId>
-	<version>1.2.0</version>
+	<version>1.2.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<url>http://dolphinscheduler.apache.org</url>
@@ -36,7 +36,7 @@
 		<connection>scm:git:https://github.com/apache/incubator-dolphinscheduler.git</connection>
 		<developerConnection>scm:git:https://github.com/apache/incubator-dolphinscheduler.git</developerConnection>
 		<url>https://github.com/apache/incubator-dolphinscheduler</url>
-		<tag>1.2.0</tag>
+		<tag>HEAD</tag>
 	</scm>
 	<mailingLists>
 		<mailingList>