diff --git a/packages/workbox/lib/defaults.js b/packages/workbox/lib/defaults.js
index 784fe658..08b33eba 100644
--- a/packages/workbox/lib/defaults.js
+++ b/packages/workbox/lib/defaults.js
@@ -1,6 +1,6 @@
 module.exports = {
   // General
-  workboxVersion: '4.0.0-rc.4',
+  workboxVersion: '4.0.0-0',
   workboxURL: undefined,
   importScripts: [],
   autoRegister: true,
diff --git a/test/__snapshots__/pwa.test.js.snap b/test/__snapshots__/pwa.test.js.snap
index e493dc63..69522968 100644
--- a/test/__snapshots__/pwa.test.js.snap
+++ b/test/__snapshots__/pwa.test.js.snap
@@ -53,7 +53,7 @@ Array [
 `;
 
 exports[`pwa sw.js 1`] = `
-"importScripts('https://cdn.jsdelivr.net/npm/workbox-cdn@4.0.0-rc.2/workbox/workbox-sw.js', 'custom-sw.js')
+"importScripts('https://cdn.jsdelivr.net/npm/workbox-cdn@4.0.0-0/workbox/workbox-sw.js', 'custom-sw.js')
 
 // --------------------------------------------------
 // Configure