diff --git a/vertxDemo/pom.xml b/vertxDemo/pom.xml
index 0d93b73..3d07547 100644
--- a/vertxDemo/pom.xml
+++ b/vertxDemo/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.44</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>