diff --git a/api/routes_rest_api.go b/api/routes_rest_api.go
index dc2ed05..305dc15 100644
--- a/api/routes_rest_api.go
+++ b/api/routes_rest_api.go
@@ -142,9 +142,15 @@ func setupRestRoutes(params RouteParams) {
 	r := params.R
 
 	restApi := newRestApi(cfg, logger)
+
+	setupRoutes := func(r *mux.Router) {
+		r.HandleFunc("/repos/{owner}/{repo}/pulls/{pull_number}/files", restApi.handlerGetPullRequestFiles).Methods("GET")
+	}
+
 	restRouter := r.PathPrefix("/api").Subrouter()
 	restRouter.Use(githubRestVerifyMiddleware(params.Db))
 	restRouter.Use(githubRestRequireAuthMiddleware(params.Config))
 
-	restRouter.HandleFunc("/repos/{owner}/{repo}/pulls/{pull_number}/files", restApi.handlerGetPullRequestFiles).Methods("GET")
+	setupRoutes(restRouter)
+	setupRoutes(restRouter.PathPrefix("/v3").Subrouter())
 }