diff --git a/code/connect-pool/pom.xml b/code/connect-pool/pom.xml
index 27b527e..e90fc3f 100644
--- a/code/connect-pool/pom.xml
+++ b/code/connect-pool/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.16</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>