diff --git a/18-docker/pom.xml b/18-docker/pom.xml
index 33ebee6..3a39191 100644
--- a/18-docker/pom.xml
+++ b/18-docker/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.15</version>
+            <version>8.0.28</version>
         </dependency>
         <!--mybatis-->
         <dependency>