diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d6a884b..6d610fa
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
-      <version>8.0.18</version>
+      <version>8.0.28</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>