diff --git a/ch04-dynamic/pom.xml b/ch04-dynamic/pom.xml
index d14196a..992648d 100644
--- a/ch04-dynamic/pom.xml
+++ b/ch04-dynamic/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.38</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>