diff --git a/calculator-app/pom.xml b/calculator-app/pom.xml
index c6d1b51..ab27ee5 100644
--- a/calculator-app/pom.xml
+++ b/calculator-app/pom.xml
@@ -107,7 +107,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>