diff --git a/README.md b/README.md
index c2cf9b411d..afabc598db 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,10 @@ This README is meant as a brief walkthrough on the core features of CDC Connecto
| [mysql-cdc](docs/content/connectors/mysql-cdc.md) |
[MySQL](https://dev.mysql.com/doc): 5.6, 5.7, 8.0.x [RDS MySQL](https://www.aliyun.com/product/rds/mysql): 5.6, 5.7, 8.0.x [PolarDB MySQL](https://www.aliyun.com/product/polardb): 5.6, 5.7, 8.0.x [Aurora MySQL](https://aws.amazon.com/cn/rds/aurora): 5.6, 5.7, 8.0.x [MariaDB](https://mariadb.org): 10.x [PolarDB X](https://github.com/ApsaraDB/galaxysql): 2.0.1 | JDBC Driver: 8.0.27 |
| [oceanbase-cdc](/docs/content/connectors/oceanbase-cdc.md) | [OceanBase CE](https://open.oceanbase.com): 3.1.x [OceanBase EE](https://www.oceanbase.com/product/oceanbase) (MySQL mode): 2.x, 3.x | JDBC Driver: 5.1.4x |
| [oracle-cdc](docs/content/connectors/oracle-cdc.md) | [Oracle](https://www.oracle.com/index.html): 11, 12, 19 | Oracle Driver: 19.3.0.0 |
-| [postgres-cdc](docs/content/connectors/postgres-cdc.md) | [PostgreSQL](https://www.postgresql.org): 9.6, 10, 11, 12 | JDBC Driver: 42.2.12 |
+| [postgres-cdc](docs/content/connectors/postgres-cdc.md) | [PostgreSQL](https://www.postgresql.org): 9.6, 10, 11, 12 | JDBC Driver: 42.2.27 |
| [sqlserver-cdc](docs/content/connectors/sqlserver-cdc.md) | [Sqlserver](https://www.microsoft.com/sql-server): 2012, 2014, 2016, 2017, 2019 | JDBC Driver: 7.2.2.jre8 |
| [tidb-cdc](docs/content/connectors/tidb-cdc.md) | [TiDB](https://www.pingcap.com): 5.1.x, 5.2.x, 5.3.x, 5.4.x, 6.0.0 | JDBC Driver: 8.0.27 |
-| [Db2-cdc](docs/content/connectors/db2-cdc.md) | [Db2](https://www.ibm.com/products/db2): 11.5 | Db2 Driver: 11.5.0.0 |
+| [Db2-cdc](docs/content/connectors/db2-cdc.md) | [Db2](https://www.ibm.com/products/db2): 11.5 | Db2 Driver: 11.5.0.0 |
## Features
diff --git a/flink-connector-postgres-cdc/pom.xml b/flink-connector-postgres-cdc/pom.xml
index 234e05af37..aea4ef6033 100644
--- a/flink-connector-postgres-cdc/pom.xml
+++ b/flink-connector-postgres-cdc/pom.xml
@@ -59,7 +59,7 @@ under the License.
org.postgresql
postgresql
- 42.2.26
+ 42.2.27