diff --git a/nightly/flutter_bootstrap.js b/nightly/flutter_bootstrap.js
index 23a203fab..1f56dbc23 100644
--- a/nightly/flutter_bootstrap.js
+++ b/nightly/flutter_bootstrap.js
@@ -37,6 +37,6 @@ _flutter.buildConfig = {"engineRevision":"3452d735bd38224ef2db85ca763d862d6326b1
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "3717401461" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
+    serviceWorkerVersion: "2543434492" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
   }
 });
diff --git a/nightly/index.html b/nightly/index.html
index 6d06048ba..73e8a09ea 100644
--- a/nightly/index.html
+++ b/nightly/index.html
@@ -82,7 +82,7 @@ _flutter.buildConfig = {"engineRevision":"3452d735bd38224ef2db85ca763d862d6326b1
 
       _flutter.loader.load({
         serviceWorker: {
-          serviceWorkerVersion: "3717401461" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */,
+          serviceWorkerVersion: "2543434492" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */,
         },
       onEntrypointLoaded: function (engineInitializer) {
         engineInitializer.initializeEngine({ useColorEmoji: true }).then(function (appRunner) {