diff --git a/ch03-config/pom.xml b/ch03-config/pom.xml
index 7e5edf1..1619ee9 100644
--- a/ch03-config/pom.xml
+++ b/ch03-config/pom.xml
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.42</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>org.mybatis</groupId>