diff --git a/day04_05onetomany/pom.xml b/day04_05onetomany/pom.xml
index e5596e6..d9d133b 100644
--- a/day04_05onetomany/pom.xml
+++ b/day04_05onetomany/pom.xml
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.37</version>
+            <version>8.0.28</version>
         </dependency>
 
         <!-- mybatis配置 -->