diff --git a/java-web-basic/webservlet/pom.xml b/java-web-basic/webservlet/pom.xml
index e2cf1d4..dd35c83 100644
--- a/java-web-basic/webservlet/pom.xml
+++ b/java-web-basic/webservlet/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>