diff --git a/pom.xml b/pom.xml
index 0037ff6..73820ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.24</version>
+            <version>8.0.28</version>
             <scope>runtime</scope>
         </dependency>
 
diff --git a/sharding-jdbc-test/pom.xml b/sharding-jdbc-test/pom.xml
index 301c0d2..5b1c967 100644
--- a/sharding-jdbc-test/pom.xml
+++ b/sharding-jdbc-test/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.44</version>
+            <version>8.0.28</version>
             <!--<scope>runtime</scope>-->
         </dependency>
         <dependency>
diff --git a/testCode/pom.xml b/testCode/pom.xml
index e14747a..03b6296 100644
--- a/testCode/pom.xml
+++ b/testCode/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.47</version>
+            <version>8.0.28</version>
             <!--<scope>runtime</scope>-->
         </dependency>