diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index afd2dfdba074..7ef7698b1900 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -276,7 +276,7 @@
     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.20250521.1" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-alpha.20250523.3" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20250422.1" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="3.2.0" PrivateAssets="All" />
     <!-- Note: Upgrading the .NET SDK version needs to be synchronized with the autorest.csharp repository -->
diff --git a/eng/emitter-package-lock.json b/eng/emitter-package-lock.json
index 4649ba0b6869..d22f1cc3bc55 100644
--- a/eng/emitter-package-lock.json
+++ b/eng/emitter-package-lock.json
@@ -5,12 +5,12 @@
   "packages": {
     "": {
       "dependencies": {
-        "@azure-tools/typespec-csharp": "0.2.0-beta.20250521.1"
+        "@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.20250523.3.tgz"
       },
       "devDependencies": {
         "@azure-tools/typespec-autorest": "0.56.0",
         "@azure-tools/typespec-azure-core": "0.56.0",
-        "@azure-tools/typespec-azure-resource-manager": "0.56.0",
+        "@azure-tools/typespec-azure-resource-manager": "0.56.1",
         "@azure-tools/typespec-azure-rulesets": "0.56.0",
         "@azure-tools/typespec-client-generator-core": "0.56.0",
         "@azure-tools/typespec-liftr-base": "0.8.0",
@@ -26,9 +26,9 @@
       }
     },
     "node_modules/@autorest/csharp": {
-      "version": "3.0.0-beta.20250521.1",
-      "resolved": "https://registry.npmjs.org/@autorest/csharp/-/csharp-3.0.0-beta.20250521.1.tgz",
-      "integrity": "sha512-B3iGh/X8I/FpmvkxoaDqpAuyz7Ke4nANRTMT1+MEpaw2j/iiUuy+2TdB3oLMne9VtqoFYeloKgoIO1M+QMEHtA=="
+      "version": "3.0.0-alpha.20250523.3",
+      "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.20250523.3.tgz",
+      "integrity": "sha512-2hU7SdiAwJnX+2OYl/rdYxBtEdgacbX/Rf7YCEhYzwQxmbl619m+LTtk36Het0gOhBO4kAVD+yrDFofBEPLfkg=="
     },
     "node_modules/@azure-tools/typespec-autorest": {
       "version": "0.56.0",
@@ -66,9 +66,9 @@
       }
     },
     "node_modules/@azure-tools/typespec-azure-resource-manager": {
-      "version": "0.56.0",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-azure-resource-manager/-/typespec-azure-resource-manager-0.56.0.tgz",
-      "integrity": "sha512-S95n4h6RDo0ksOuo1tmXnwvqxiYy8jHLdPDvMFb4ZRRyZzZFKPA9tXeu0s4EJTWrpD7RwS9/UtnJlKS6gbaycA==",
+      "version": "0.56.1",
+      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-azure-resource-manager/-/typespec-azure-resource-manager-0.56.1.tgz",
+      "integrity": "sha512-5xboTqN4V1G3O9zVthtgJ3VJ6P9+6g7Hz+tYVQHDwTQfirwYRt01DTmqg/JNrCUC3KLsufSbz1T++jApUTNGGA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -81,7 +81,7 @@
       "peerDependencies": {
         "@azure-tools/typespec-azure-core": "^0.56.0",
         "@typespec/compiler": "^1.0.0",
-        "@typespec/http": "^1.0.0",
+        "@typespec/http": "^1.0.1",
         "@typespec/openapi": "^1.0.0",
         "@typespec/rest": "^0.70.0",
         "@typespec/versioning": "^0.70.0"
@@ -131,12 +131,12 @@
       }
     },
     "node_modules/@azure-tools/typespec-csharp": {
-      "version": "0.2.0-beta.20250521.1",
-      "resolved": "https://registry.npmjs.org/@azure-tools/typespec-csharp/-/typespec-csharp-0.2.0-beta.20250521.1.tgz",
-      "integrity": "sha512-sxlXO9vEAQdgJC5/7W6p7WgxGSDbdi/jG//rVhuEZxZB7alW2o3k+n68sAts03zm4GcrGNQVvu3AdYFqnOMbwA==",
+      "version": "0.2.0-alpha.20250523.3",
+      "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.20250523.3.tgz",
+      "integrity": "sha512-RWUYVjpF3qMIWXmroRCyfNOJvwcYHlI9dtvOsqxgBRMv6RxLC/bAQ69KDlSWq0QGnivkBqZfFyQr6lppoc+ncA==",
       "license": "MIT",
       "dependencies": {
-        "@autorest/csharp": "3.0.0-beta.20250521.1",
+        "@autorest/csharp": "3.0.0-alpha.20250523.3",
         "@typespec/http-client-csharp": "1.0.0-alpha.20250521.5"
       },
       "peerDependencies": {
diff --git a/eng/emitter-package.json b/eng/emitter-package.json
index 0a1291ceda62..7c1784c5b320 100644
--- a/eng/emitter-package.json
+++ b/eng/emitter-package.json
@@ -1,12 +1,12 @@
 {
   "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-csharp": "0.2.0-beta.20250521.1"
+    "@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.20250523.3.tgz"
   },
   "devDependencies": {
     "@azure-tools/typespec-autorest": "0.56.0",
     "@azure-tools/typespec-azure-core": "0.56.0",
-    "@azure-tools/typespec-azure-resource-manager": "0.56.0",
+    "@azure-tools/typespec-azure-resource-manager": "0.56.1",
     "@azure-tools/typespec-azure-rulesets": "0.56.0",
     "@azure-tools/typespec-client-generator-core": "0.56.0",
     "@azure-tools/typespec-liftr-base": "0.8.0",
@@ -19,5 +19,8 @@
     "@typespec/streams": "0.70.0",
     "@typespec/versioning": "0.70.0",
     "@typespec/xml": "0.70.0"
+  },
+  "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.20250523.3.tgz"
   }
 }
diff --git a/sdk/eventgrid/Azure.Messaging.EventGrid.Namespaces/src/Generated/EventGridNamespacesModelFactory.cs b/sdk/eventgrid/Azure.Messaging.EventGrid.Namespaces/src/Generated/EventGridNamespacesModelFactory.cs
index 7d9f9d645876..6f52bc3d0964 100644
--- a/sdk/eventgrid/Azure.Messaging.EventGrid.Namespaces/src/Generated/EventGridNamespacesModelFactory.cs
+++ b/sdk/eventgrid/Azure.Messaging.EventGrid.Namespaces/src/Generated/EventGridNamespacesModelFactory.cs
@@ -31,7 +31,6 @@ public static ReceiveResult ReceiveResult(IEnumerable<ReceiveDetails> details =
         /// <returns> A new <see cref="Namespaces.ReceiveDetails"/> instance for mocking. </returns>
         public static ReceiveDetails ReceiveDetails(BrokerProperties brokerProperties = default, CloudEvent @event = default)
         {
-
             return new ReceiveDetails(brokerProperties, @event, additionalBinaryDataProperties: null);
         }
 
@@ -41,7 +40,6 @@ public static ReceiveDetails ReceiveDetails(BrokerProperties brokerProperties =
         /// <returns> A new <see cref="Namespaces.BrokerProperties"/> instance for mocking. </returns>
         public static BrokerProperties BrokerProperties(string lockToken = default, int deliveryCount = default)
         {
-
             return new BrokerProperties(lockToken, deliveryCount, additionalBinaryDataProperties: null);
         }
 
@@ -63,7 +61,6 @@ public static AcknowledgeResult AcknowledgeResult(IEnumerable<FailedLockToken> f
         /// <returns> A new <see cref="Namespaces.FailedLockToken"/> instance for mocking. </returns>
         public static FailedLockToken FailedLockToken(string lockToken = default, ResponseError error = default)
         {
-
             return new FailedLockToken(lockToken, error, additionalBinaryDataProperties: null);
         }