diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 1780c00..5dcf4b1
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.9</version>
+            <version>4.13.1</version>
         </dependency>
 
         <!-- mysql && c3p0 -->