diff --git a/design-patterns/pom.xml b/design-patterns/pom.xml
index e86cb8a..0e75864 100644
--- a/design-patterns/pom.xml
+++ b/design-patterns/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>