diff --git a/sword-dao/pom.xml b/sword-dao/pom.xml
index f3e0d03..6ffc6e7 100644
--- a/sword-dao/pom.xml
+++ b/sword-dao/pom.xml
@@ -53,7 +53,7 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <scope>runtime</scope>
-            <version>5.1.44</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>