diff --git a/EventEmitter.d.ts b/EventEmitter.d.ts
new file mode 100644
index 0000000..e175fee
--- /dev/null
+++ b/EventEmitter.d.ts
@@ -0,0 +1,41 @@
+type EventKey = string|RegExp;
+
+interface EventMap {
+    [evt: string]: EventKey;
+}
+
+type Events = EventKey|EventMap;
+
+interface Listener {
+    listener: Function;
+    once: boolean;
+}
+
+interface ListenerMap {
+    [evt: string]: Listener[];
+}
+
+type Listeners = Listener[]|ListenerMap;
+
+declare class EventEmitter {
+    getListeners(evt: EventKey): Listeners;
+    flattenListeners(listeners: Listener[]): void;
+    getListenersAsObject(evt: EventKey): ListenerMap;
+    addListener(evt: EventKey, listener: Listener|Function): this;
+    on(evt: EventKey, listener: Listener|Function): this;
+    addOnceListener(evt: EventKey, listener: Function): this;
+    once(evt: EventKey, listener: Function): this;
+    defineEvent(evt: EventKey): this;
+    defineEvents(evts: EventKey[]): this;
+    removeListener(evt: EventKey, listener: Function): this;
+    off(evt: EventKey, listener: Function): this;
+    addListeners(evt: Events, listeners: Function[]): this;
+    removeListeners(evt: Events, listeners: Function[]): this;
+    manipulateListeners(remove: boolean, evt: Events, listeners: Function[]): this;
+    removeEvent(evt: EventKey): this;
+    removeAllListeners(evt: EventKey): this;
+    emitEvent(evt: EventKey, args?: any[]): this;
+    trigger(evt: EventKey, args?: any[]): this;
+    emit(evt: EventKey): this;
+    setOnceReturnValue(value: any): this;
+}
diff --git a/package.json b/package.json
index f5b9b96..d980dfd 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "5.1.0",
   "description": "Event based JavaScript for the browser",
   "main": "EventEmitter.js",
+  "types": "EventEmitter.d.ts",
   "directories": {
     "doc": "docs",
     "test": "tests"