diff --git a/library-service/pom.xml b/library-service/pom.xml
index c310adf..6dc6f90 100644
--- a/library-service/pom.xml
+++ b/library-service/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>