diff --git a/packages/workbox-window/src/index.ts b/packages/workbox-window/src/index.ts
index a6460567d..aa869f48e 100644
--- a/packages/workbox-window/src/index.ts
+++ b/packages/workbox-window/src/index.ts
@@ -8,13 +8,15 @@
 
 import {messageSW} from './messageSW.js';
 import {Workbox} from './Workbox.js';
-import './_version.js';
+import {WorkboxEventMap} from './utils/WorkboxEvent.js';
 
+import './_version.js';
 
 /**
  * @module workbox-window
  */
 export {
-  Workbox,
   messageSW,
+  Workbox,
+  WorkboxEventMap,
 };