diff --git a/oauth2-proto/oauth2-provider/pom.xml b/oauth2-proto/oauth2-provider/pom.xml
index 09fe3cb..09be05d 100644
--- a/oauth2-proto/oauth2-provider/pom.xml
+++ b/oauth2-proto/oauth2-provider/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>