diff --git a/study-jsonp/pom.xml b/study-jsonp/pom.xml
index 83fc968..f0eea18 100644
--- a/study-jsonp/pom.xml
+++ b/study-jsonp/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>