diff --git a/1980EN_13_Code/ticket-agency-test-websockets/pom.xml b/1980EN_13_Code/ticket-agency-test-websockets/pom.xml
index 8f66bc4..2b24639 100644
--- a/1980EN_13_Code/ticket-agency-test-websockets/pom.xml
+++ b/1980EN_13_Code/ticket-agency-test-websockets/pom.xml
@@ -59,7 +59,7 @@
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
             <scope>test</scope>
-            <version>4.11</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>org.jboss.arquillian.junit</groupId>