diff --git a/week17/IoTCounter/basic/basic/pom.xml b/week17/IoTCounter/basic/basic/pom.xml
index 7e19403..864cd68 100644
--- a/week17/IoTCounter/basic/basic/pom.xml
+++ b/week17/IoTCounter/basic/basic/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>