diff --git a/desigin_pattern_advance/pom.xml b/desigin_pattern_advance/pom.xml
index 9a764f1..6400aac 100644
--- a/desigin_pattern_advance/pom.xml
+++ b/desigin_pattern_advance/pom.xml
@@ -139,7 +139,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <!--<scope>test</scope>-->
         </dependency>