diff --git a/webProject/exam/pom.xml b/webProject/exam/pom.xml
index f57995d..1f87858 100644
--- a/webProject/exam/pom.xml
+++ b/webProject/exam/pom.xml
@@ -18,7 +18,7 @@
     <dependency>  
       <groupId>junit</groupId>  
       <artifactId>junit</artifactId>  
-      <version>4.9</version>  
+      <version>4.13.1</version>  
       <scope>test</scope>  
     </dependency>