diff --git a/sdk/mixedreality/arm-mixedreality/CHANGELOG.md b/sdk/mixedreality/arm-mixedreality/CHANGELOG.md
index 03b3ed81bbe0..b0e873f17058 100644
--- a/sdk/mixedreality/arm-mixedreality/CHANGELOG.md
+++ b/sdk/mixedreality/arm-mixedreality/CHANGELOG.md
@@ -1,4 +1,10 @@
 # Release History
+
+## 4.0.1 (2022-01-20)
+
+**Feature**
+
+  - Bump version
     
 ## 4.0.0 (2022-01-20)
 
diff --git a/sdk/mixedreality/arm-mixedreality/package.json b/sdk/mixedreality/arm-mixedreality/package.json
index bdb68e397200..6c55d26bfd54 100644
--- a/sdk/mixedreality/arm-mixedreality/package.json
+++ b/sdk/mixedreality/arm-mixedreality/package.json
@@ -3,7 +3,7 @@
   "sdk-type": "mgmt",
   "author": "Microsoft Corporation",
   "description": "A generated SDK for MixedRealityClient.",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "engines": { "node": ">=12.0.0" },
   "dependencies": {
     "@azure/core-paging": "^1.2.0",
diff --git a/sdk/mixedreality/arm-mixedreality/src/mixedRealityClient.ts b/sdk/mixedreality/arm-mixedreality/src/mixedRealityClient.ts
index 1a1990df847e..da888fb3d1f1 100644
--- a/sdk/mixedreality/arm-mixedreality/src/mixedRealityClient.ts
+++ b/sdk/mixedreality/arm-mixedreality/src/mixedRealityClient.ts
@@ -60,7 +60,7 @@ export class MixedRealityClient extends coreClient.ServiceClient {
       credential: credentials
     };
 
-    const packageDetails = `azsdk-js-arm-mixedreality/4.0.0`;
+    const packageDetails = `azsdk-js-arm-mixedreality/4.0.1`;
     const userAgentPrefix =
       options.userAgentOptions && options.userAgentOptions.userAgentPrefix
         ? `${options.userAgentOptions.userAgentPrefix} ${packageDetails}`