diff --git a/oa_dao/pom.xml b/oa_dao/pom.xml
index 73dd1e1..2a202be 100644
--- a/oa_dao/pom.xml
+++ b/oa_dao/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.47</version>
+            <version>8.0.28</version>
         </dependency>
 
         <dependency>