diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index 552b4bd4bc9e1d..99d91bc0b3978f 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -203,7 +203,7 @@
     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.20240207.2" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-alpha.20240216.1.x" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20240214.2" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="3.2.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.4" PrivateAssets="All" />
diff --git a/eng/emitter-package-lock.json b/eng/emitter-package-lock.json
index 67dab08ae45de2..045a5980cf0fc5 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.20240207.2"
+        "@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.20240216.1.x.tgz"
       },
       "devDependencies": {
         "@azure-tools/typespec-azure-core": "0.38.0",
@@ -17,9 +17,9 @@
       }
     },
     "node_modules/@autorest/csharp": {
-      "version": "3.0.0-beta.20240207.2",
-      "resolved": "https://registry.npmjs.org/@autorest/csharp/-/csharp-3.0.0-beta.20240207.2.tgz",
-      "integrity": "sha512-f9A/NVLJEMrZ93uPFjBFFxpqw+qJCFKJD5ER6GtBSIrIaWbdPbEYx0q5UtJl+tb+dY/kZxSdV9b6D4WlapXtUA=="
+      "version": "3.0.0-alpha.20240216.1.x",
+      "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.20240216.1.x.tgz",
+      "integrity": "sha512-J/I0dWxlJ1EqFI8jpZb7MH+7lEHT+NDL2CF/O/vqg6i6hnOJDoqoNBfDSz+E0s13h7RBBsi+6w5VUYBO603kHw=="
     },
     "node_modules/@azure-tools/typespec-azure-core": {
       "version": "0.38.0",
@@ -55,11 +55,12 @@
       }
     },
     "node_modules/@azure-tools/typespec-csharp": {
-      "version": "0.2.0-beta.20240207.2",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-beta.20240207.2.tgz",
-      "integrity": "sha512-/aoVbzb0FPLYx4BT2g/vrlXIGwU6z/rTS4NH19obT/ekSnDRARf29XZpWGRhUYODT9ymDPHNkQqdQlZPgnQTAw==",
+      "version": "0.2.0-alpha.20240216.1.x",
+      "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.20240216.1.x.tgz",
+      "integrity": "sha512-YcuUaZZHGXBNrAedOQ9z9UP4NGPvXn/iRLdVUbgHwwimhgqQkuZD3+bvGGaJCOjE4kh+dyZULHxRtVoii2Ydjg==",
+      "license": "MIT",
       "dependencies": {
-        "@autorest/csharp": "3.0.0-beta.20240207.2",
+        "@autorest/csharp": "3.0.0-alpha.20240216.1.x",
         "json-serialize-refs": "0.1.0-0",
         "winston": "^3.8.2"
       },
@@ -162,9 +163,9 @@
       }
     },
     "node_modules/@sindresorhus/merge-streams": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@sindresorhus/merge-streams/-/merge-streams-1.0.0.tgz",
-      "integrity": "sha512-rUV5WyJrJLoloD4NDN1V1+LDMDWOa4OTsT4yYJwQNpTU6FWxkxHpL7eu4w+DmiH8x/EAM1otkPE1+LaspIbplw==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@sindresorhus/merge-streams/-/merge-streams-2.2.1.tgz",
+      "integrity": "sha512-255V7MMIKw6aQ43Wbqp9HZ+VHn6acddERTLiiLnlcPLU9PdTq9Aijl12oklAgUEblLWye+vHLzmqBx6f2TGcZw==",
       "dev": true,
       "engines": {
         "node": ">=18"
@@ -475,12 +476,12 @@
       }
     },
     "node_modules/globby": {
-      "version": "14.0.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-14.0.0.tgz",
-      "integrity": "sha512-/1WM/LNHRAOH9lZta77uGbq0dAEQM+XjNesWwhlERDVenqothRbnzTrL3/LrIoEPPjeUHC3vrS6TwoyxeHs7MQ==",
+      "version": "14.0.1",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-14.0.1.tgz",
+      "integrity": "sha512-jOMLD2Z7MAhyG8aJpNOpmziMOP4rPLcc95oQPKXBazW82z+CEgPFBQvEpRUa1KeIMUJo4Wsm+q6uzO/Q/4BksQ==",
       "dev": true,
       "dependencies": {
-        "@sindresorhus/merge-streams": "^1.0.0",
+        "@sindresorhus/merge-streams": "^2.1.0",
         "fast-glob": "^3.3.2",
         "ignore": "^5.2.4",
         "path-type": "^5.0.0",
diff --git a/eng/emitter-package.json b/eng/emitter-package.json
index f698ea3bcfa999..eb5a1b6dd2298f 100644
--- a/eng/emitter-package.json
+++ b/eng/emitter-package.json
@@ -1,14 +1,17 @@
 {
   "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-csharp": "0.2.0-beta.20240207.2"
+    "@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.20240216.1.x.tgz"
   },
   "devDependencies": {
+    "@typespec/versioning": "0.52.0",
     "@azure-tools/typespec-azure-core": "0.38.0",
+    "@typespec/rest": "0.52.0",
     "@typespec/compiler": "0.52.0",
-    "@typespec/versioning": "0.52.0",
     "@typespec/http": "0.52.1",
-    "@azure-tools/typespec-client-generator-core": "0.38.0",
-    "@typespec/rest": "0.52.0"
+    "@azure-tools/typespec-client-generator-core": "0.38.0"
+  },
+  "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.20240216.1.x.tgz"
   }
 }