diff --git a/types/vue.d.ts b/types/vue.d.ts
index 204f9cca..574d50a6 100644
--- a/types/vue.d.ts
+++ b/types/vue.d.ts
@@ -121,6 +121,10 @@ export interface VueConstructor<V extends Vue = Vue> {
 
   observable<T>(obj: T): T;
 
+  util: {
+    warn(msg: string, vm?: InstanceType<VueConstructor>): void;
+  };
+
   config: VueConfiguration;
   version: string;
 }