diff --git a/course-server/pom.xml b/course-server/pom.xml
index 49bc839..0ecad0e 100644
--- a/course-server/pom.xml
+++ b/course-server/pom.xml
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.16</version>
+            <version>8.0.28</version>
         </dependency>
 
         <dependency>