diff --git a/flink-connector-opensearch-base/pom.xml b/flink-connector-opensearch-base/pom.xml
index de813ea..ae71ebd 100644
--- a/flink-connector-opensearch-base/pom.xml
+++ b/flink-connector-opensearch-base/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-connector-opensearch-base</artifactId>
diff --git a/flink-connector-opensearch-e2e-tests/pom.xml b/flink-connector-opensearch-e2e-tests/pom.xml
index 95346ac..b0caa2e 100644
--- a/flink-connector-opensearch-e2e-tests/pom.xml
+++ b/flink-connector-opensearch-e2e-tests/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-connector-opensearch-e2e-tests</artifactId>
diff --git a/flink-connector-opensearch/pom.xml b/flink-connector-opensearch/pom.xml
index 91d8d92..fe6aa08 100644
--- a/flink-connector-opensearch/pom.xml
+++ b/flink-connector-opensearch/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-connector-opensearch</artifactId>
diff --git a/flink-connector-opensearch2-e2e-tests/pom.xml b/flink-connector-opensearch2-e2e-tests/pom.xml
index e294ad7..bfc3ffd 100644
--- a/flink-connector-opensearch2-e2e-tests/pom.xml
+++ b/flink-connector-opensearch2-e2e-tests/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-connector-opensearch2-e2e-tests</artifactId>
diff --git a/flink-connector-opensearch2/pom.xml b/flink-connector-opensearch2/pom.xml
index e1bbe18..d471d89 100644
--- a/flink-connector-opensearch2/pom.xml
+++ b/flink-connector-opensearch2/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-connector-opensearch2</artifactId>
diff --git a/flink-sql-connector-opensearch/pom.xml b/flink-sql-connector-opensearch/pom.xml
index cdcf927..f91eb97 100644
--- a/flink-sql-connector-opensearch/pom.xml
+++ b/flink-sql-connector-opensearch/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-sql-connector-opensearch</artifactId>
diff --git a/flink-sql-connector-opensearch2/pom.xml b/flink-sql-connector-opensearch2/pom.xml
index 88a52fa..47aa04f 100644
--- a/flink-sql-connector-opensearch2/pom.xml
+++ b/flink-sql-connector-opensearch2/pom.xml
@@ -26,7 +26,7 @@ under the License.
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>flink-sql-connector-opensearch2</artifactId>
diff --git a/pom.xml b/pom.xml
index e775f25..6506e7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@ under the License.
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>flink-connector-opensearch-parent</artifactId>
-	<version>2.0-SNAPSHOT</version>
+	<version>1.2-SNAPSHOT</version>
 	<name>Flink : Connectors : Opensearch : Parent</name>
 	<packaging>pom</packaging>
 	<url>https://flink.apache.org</url>