diff --git a/flink-doris-connector/pom.xml b/flink-doris-connector/pom.xml
index e52a07af4..c96a83389 100644
--- a/flink-doris-connector/pom.xml
+++ b/flink-doris-connector/pom.xml
@@ -70,6 +70,7 @@ under the License.
         <revision>1.5.0-SNAPSHOT</revision>
         <flink.version>1.16.0</flink.version>
         <flink.minor.version>1.16</flink.minor.version>
+        <flink.sql.cdc.version>2.4.1</flink.sql.cdc.version>
         <libthrift.version>0.16.0</libthrift.version>
         <arrow.version>5.0.0</arrow.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
@@ -251,25 +252,25 @@ under the License.
         <dependency>
             <groupId>com.ververica</groupId>
             <artifactId>flink-sql-connector-mysql-cdc</artifactId>
-            <version>2.4.1</version>
+            <version>${flink.sql.cdc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.ververica</groupId>
             <artifactId>flink-sql-connector-oracle-cdc</artifactId>
-            <version>2.4.1</version>
+            <version>${flink.sql.cdc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.ververica</groupId>
             <artifactId>flink-sql-connector-postgres-cdc</artifactId>
-            <version>2.4.1</version>
+            <version>${flink.sql.cdc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.ververica</groupId>
             <artifactId>flink-sql-connector-sqlserver-cdc</artifactId>
-            <version>2.4.1</version>
+            <version>${flink.sql.cdc.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>