Update version to 1.2.0
diff --git a/flink-connector-opensearch-base/pom.xml b/flink-connector-opensearch-base/pom.xml
index de813ea..0f5fc85 100644
--- a/flink-connector-opensearch-base/pom.xml
+++ b/flink-connector-opensearch-base/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..33f8e51 100644
--- a/flink-connector-opensearch-e2e-tests/pom.xml
+++ b/flink-connector-opensearch-e2e-tests/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..b8d2f45 100644
--- a/flink-connector-opensearch/pom.xml
+++ b/flink-connector-opensearch/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..43e2d55 100644
--- a/flink-connector-opensearch2-e2e-tests/pom.xml
+++ b/flink-connector-opensearch2-e2e-tests/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..9a4c287 100644
--- a/flink-connector-opensearch2/pom.xml
+++ b/flink-connector-opensearch2/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..00d586f 100644
--- a/flink-sql-connector-opensearch/pom.xml
+++ b/flink-sql-connector-opensearch/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</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..8fdfe01 100644
--- a/flink-sql-connector-opensearch2/pom.xml
+++ b/flink-sql-connector-opensearch2/pom.xml
@@ -26,7 +26,7 @@
 	<parent>
 		<groupId>org.apache.flink</groupId>
 		<artifactId>flink-connector-opensearch-parent</artifactId>
-		<version>2.0-SNAPSHOT</version>
+		<version>1.2.0</version>
 	</parent>
 
 	<artifactId>flink-sql-connector-opensearch2</artifactId>
diff --git a/pom.xml b/pom.xml
index e775f25..872ef9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>flink-connector-opensearch-parent</artifactId>
-	<version>2.0-SNAPSHOT</version>
+	<version>1.2.0</version>
 	<name>Flink : Connectors : Opensearch : Parent</name>
 	<packaging>pom</packaging>
 	<url>https://flink.apache.org</url>
diff --git a/tools/releasing/shared b/tools/releasing/shared
index 4869b87..c411561 160000
--- a/tools/releasing/shared
+++ b/tools/releasing/shared
@@ -1 +1 @@
-Subproject commit 4869b87ab2365505bb71a1fcff38ca2a1ad3aeb3
+Subproject commit c4115618085ac046033368e8e3a7eee59874608f