diff --git a/jdbc/pom.xml b/jdbc/pom.xml
old mode 100755
new mode 100644
index ea4ac67..a40ca2d
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -19,7 +19,7 @@
       <dependency>
           <groupId>mysql</groupId>
           <artifactId>mysql-connector-java</artifactId>
-          <version>5.1.21</version>
+          <version>8.0.16</version>
       </dependency>
     <dependency>
       <groupId>junit</groupId>