diff --git a/lrn-mybatis-4/pom.xml b/lrn-mybatis-4/pom.xml
index 3b11b66..8edbb51 100644
--- a/lrn-mybatis-4/pom.xml
+++ b/lrn-mybatis-4/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.6</version>
+            <version>8.0.16</version>
         </dependency>
         <!-- mybatis相关 -->
         <dependency>