diff --git a/src/main/java/dev/dinauer/maven/CustomAuthenticationMechanism.java b/src/main/java/dev/dinauer/maven/CustomAuthenticationMechanism.java
index d433b65..a56ebfe 100644
--- a/src/main/java/dev/dinauer/maven/CustomAuthenticationMechanism.java
+++ b/src/main/java/dev/dinauer/maven/CustomAuthenticationMechanism.java
@@ -48,6 +48,6 @@ public class CustomAuthenticationMechanism implements HttpAuthenticationMechanis
     @Override
     public Uni<ChallengeData> getChallenge(RoutingContext context)
     {
-        return Uni.createFrom().nullItem();
+        return Uni.createFrom().item(new ChallengeData(401, "WWW-Authenticate", "Basic"));
     }
 }
diff --git a/src/main/java/dev/dinauer/maven/maven/core/Service.java b/src/main/java/dev/dinauer/maven/maven/core/Service.java
index ea99b9b..316a9f1 100644
--- a/src/main/java/dev/dinauer/maven/maven/core/Service.java
+++ b/src/main/java/dev/dinauer/maven/maven/core/Service.java
@@ -30,9 +30,6 @@ import java.util.Optional;
 @ApplicationScoped
 public class Service
 {
-    @Inject
-    VersionService versionService;
-
     @Inject
     ArtifactService artifactService;