diff --git a/DesignPatternTutorial/pom.xml b/DesignPatternTutorial/pom.xml
index febc99c..80fc02f 100644
--- a/DesignPatternTutorial/pom.xml
+++ b/DesignPatternTutorial/pom.xml
@@ -19,7 +19,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>4.13.1</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/com.google.inject/guice -->