diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index cd19e2dbff416..c470937be7049 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -228,7 +228,7 @@
     All should have PrivateAssets="All" set so they don't become package dependencies
   -->
   <ItemGroup>
-    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20241007.1" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-alpha.20241008.3" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20240813.2" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="3.2.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0" PrivateAssets="All" />
diff --git a/eng/emitter-package-lock.json b/eng/emitter-package-lock.json
index c70a172a3801e..efd7c7f87a841 100644
--- a/eng/emitter-package-lock.json
+++ b/eng/emitter-package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "dependencies": {
-        "@azure-tools/typespec-csharp": "0.2.0-beta.20241007.1"
+        "@azure-tools/typespec-csharp": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest/npm/registry/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-alpha.20241008.3.tgz"
       },
       "devDependencies": {
         "@azure-tools/typespec-autorest": "0.46.0",
@@ -22,9 +22,9 @@
       }
     },
     "node_modules/@autorest/csharp": {
-      "version": "3.0.0-beta.20241007.1",
-      "resolved": "https://registry.npmjs.org/@autorest/csharp/-/csharp-3.0.0-beta.20241007.1.tgz",
-      "integrity": "sha512-p63AmGFSIeGO7KWZCoopXmOG7D5dlk0WG7PLipXMa1OvhIm7y8zD4+MFfTxwG9mLRZlEPHWgceZvG7nw8RnMlw=="
+      "version": "3.0.0-alpha.20241008.3",
+      "resolved": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest/npm/registry/@autorest/csharp/-/csharp-3.0.0-alpha.20241008.3.tgz",
+      "integrity": "sha512-c0HCMrypPM6JtxsQ5qg5iunFGPpNWeYLts+UP1ls4DBjlDGoo1BpYEwF6QRg1WTxqcPmR86F0kC3j1bZujbnow=="
     },
     "node_modules/@azure-tools/typespec-autorest": {
       "version": "0.46.0",
@@ -117,12 +117,12 @@
       }
     },
     "node_modules/@azure-tools/typespec-csharp": {
-      "version": "0.2.0-beta.20241007.1",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-beta.20241007.1.tgz",
-      "integrity": "sha512-7RNc2V40NA2jj7LA30ZM1fH9pgzDJJUIGmlt+EjfZN8g257KU1yRlbIZseFbFYg/XDjM3udopEg/uAOfMjVACA==",
+      "version": "0.2.0-alpha.20241008.3",
+      "resolved": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest/npm/registry/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-alpha.20241008.3.tgz",
+      "integrity": "sha512-byfmnTbJGtQiWa9CPzGlNWbN7q5Fg0eCdqSmTzWWjXomGsuAPd1LwHAWO9tHRFcvso1y84/UedaAlsVrbPQl3w==",
       "dependencies": {
-        "@autorest/csharp": "3.0.0-beta.20241007.1",
-        "@typespec/http-client-csharp": "0.1.9-alpha.20240925.1",
+        "@autorest/csharp": "3.0.0-alpha.20241008.3",
+        "@typespec/http-client-csharp": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNDIxMTc1OS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX2NzaGFycA2/content?format=file&subPath=%2fpackages%2ftypespec-http-client-csharp-0.1.9-alpha.20241008.34.tgz",
         "json-serialize-refs": "0.1.0-0"
       },
       "peerDependencies": {
@@ -265,9 +265,8 @@
       }
     },
     "node_modules/@typespec/http-client-csharp": {
-      "version": "0.1.9-alpha.20240925.1",
-      "resolved": "https://registry.npmjs.org/@typespec/http-client-csharp/-/http-client-csharp-0.1.9-alpha.20240925.1.tgz",
-      "integrity": "sha512-lQaWMaTSTxIxWLO9q6Z11YqyT+E1Ij5jiwnqNyycfLMDcfQj4hN/K4jCrS9SBI2Sr43H02mReqRJXAxp4fz7vQ==",
+      "version": "0.1.9-alpha.20241008.34",
+      "resolved": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNDIxMTc1OS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX2NzaGFycA2/content?format=file&subPath=%2fpackages%2ftypespec-http-client-csharp-0.1.9-alpha.20241008.34.tgz",
       "dependencies": {
         "json-serialize-refs": "0.1.0-0"
       },
diff --git a/eng/emitter-package.json b/eng/emitter-package.json
index a1fa1296afdad..dce3deda0932f 100644
--- a/eng/emitter-package.json
+++ b/eng/emitter-package.json
@@ -1,7 +1,7 @@
 {
   "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-csharp": "0.2.0-beta.20241007.1"
+    "@azure-tools/typespec-csharp": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest/npm/registry/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-alpha.20241008.3.tgz"
   },
   "devDependencies": {
     "@azure-tools/typespec-autorest": "0.46.0",
@@ -15,5 +15,8 @@
     "@typespec/rest": "0.60.0",
     "@typespec/versioning": "0.60.0",
     "@typespec/xml": "0.60.0"
+  },
+  "overrides": {
+    "@autorest/csharp": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest/npm/registry/@autorest/csharp/-/csharp-3.0.0-alpha.20241008.3.tgz"
   }
 }