diff --git a/tinyid-server/pom.xml b/tinyid-server/pom.xml
old mode 100755
new mode 100644
index 2849537..30b421e
--- a/tinyid-server/pom.xml
+++ b/tinyid-server/pom.xml
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.44</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>commons-beanutils</groupId>