diff --git a/NioDemo/pom.xml b/NioDemo/pom.xml
index 003bc60..18c3f96 100644
--- a/NioDemo/pom.xml
+++ b/NioDemo/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>