diff --git a/pool-server.go b/pool-server.go
index c9f0ad0..4044f5e 100644
--- a/pool-server.go
+++ b/pool-server.go
@@ -255,7 +255,7 @@ func (s *PoolServer) Serve() *http.ServeMux {
 	mux := http.NewServeMux()
 	mux.HandleFunc("OPTIONS /{id}", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Access-Control-Allow-Origin", "*")
-		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, DELETE")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE")
 		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
 		w.WriteHeader(http.StatusOK)
 	})