diff --git a/code/demo11/pom.xml b/code/demo11/pom.xml
index 3ccf0a6..ba71dcb 100644
--- a/code/demo11/pom.xml
+++ b/code/demo11/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.48</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>