diff --git a/ad-service/ad-sponsor/pom.xml b/ad-service/ad-sponsor/pom.xml
index ce3719d..f9be396 100644
--- a/ad-service/ad-sponsor/pom.xml
+++ b/ad-service/ad-sponsor/pom.xml
@@ -61,7 +61,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.15</version>
+            <version>8.0.28</version>
             <scope>runtime</scope>
         </dependency>