diff --git a/saml2-sample/pom.xml b/saml2-sample/pom.xml
index 71ff872..66c52e0 100644
--- a/saml2-sample/pom.xml
+++ b/saml2-sample/pom.xml
@@ -74,7 +74,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.4</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>