diff --git a/java-design-patterns-teacher/pom.xml b/java-design-patterns-teacher/pom.xml
old mode 100755
new mode 100644
index f9f788b..cc4dbca
--- a/java-design-patterns-teacher/pom.xml
+++ b/java-design-patterns-teacher/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.6</version>
+            <version>8.0.16</version>
         </dependency>
 
         <dependency>