diff --git a/Changelog.md b/Changelog.md
index a38f62f..8ae99d1 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.4.1 - (2021-05-05)
+
+- Use `self` instead of `window` in order to support web workers.
+
 ## 2.4.0 - 2021-04-19
 
 - Expose `AzureIdentityCredentialAdapter` in the public API to enable users of this package make use of credentials from `@azure/identity`.
diff --git a/lib/policies/msRestUserAgentPolicy.browser.ts b/lib/policies/msRestUserAgentPolicy.browser.ts
index ec37b93..9b688a4 100644
--- a/lib/policies/msRestUserAgentPolicy.browser.ts
+++ b/lib/policies/msRestUserAgentPolicy.browser.ts
@@ -18,7 +18,7 @@ export function getDefaultUserAgentKey(): string {
 }
 
 export function getPlatformSpecificData(): TelemetryInfo[] {
-  const navigator = window.navigator as NavigatorEx;
+  const navigator = self.navigator as NavigatorEx;
   const osInfo = {
     key: "OS",
     value: (navigator.oscpu || navigator.platform).replace(" ", ""),
diff --git a/lib/util/constants.ts b/lib/util/constants.ts
index 5437b78..537230d 100644
--- a/lib/util/constants.ts
+++ b/lib/util/constants.ts
@@ -7,7 +7,7 @@ export const Constants = {
    * @const
    * @type {string}
    */
-  msRestVersion: "2.4.0",
+  msRestVersion: "2.4.1",
 
   /**
    * Specifies HTTP.
diff --git a/package.json b/package.json
index 80a4f7a..5ed31a2 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "email": "azsdkteam@microsoft.com",
     "url": "https://github.com/Azure/ms-rest-js"
   },
-  "version": "2.4.0",
+  "version": "2.4.1",
   "description": "Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest",
   "tags": [
     "isomorphic",