diff --git a/package-lock.json b/package-lock.json
index eaa5e4143ab..278808abff3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
         "@azure-tools/cadl-ranch-mockapis": "file:test/CadlRanchMockApis",
         "@azure-tools/typespec-csharp": "file:src/TypeSpec.Extension/Emitter.Csharp",
         "@microsoft.azure/autorest.testserver": "3.3.24",
-        "autorest": "3.6.1",
+        "autorest": "3.6.3",
         "typescript": "~5.1.3"
       }
     },
@@ -3438,9 +3438,9 @@
       "dev": true
     },
     "node_modules/autorest": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/autorest/-/autorest-3.6.1.tgz",
-      "integrity": "sha512-tTOnfQq+LAyqnxFrOOnyCEaErXnjRTgduUN7a8LUv2u5deqDlI0zoJllHeIEYDZS2o2Kr1s8pDj2NxaFPOWldg==",
+      "version": "3.6.3",
+      "resolved": "https://registry.npmjs.org/autorest/-/autorest-3.6.3.tgz",
+      "integrity": "sha512-j/Axwk9bniifTNtBLYVxfQZGQIGPKljFaCQCBWOiybVar2j3tkHP1btiC4a/t9pAJXY6IaFgWctoPM3G/Puhyg==",
       "dev": true,
       "hasInstallScript": true,
       "bin": {
diff --git a/package.json b/package.json
index 9b39fca0948..a5ed6c8903a 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "@azure-tools/typespec-csharp": "file:src/TypeSpec.Extension/Emitter.Csharp",
     "@azure-tools/cadl-ranch-mockapis": "file:test/CadlRanchMockApis",
     "@microsoft.azure/autorest.testserver": "3.3.24",
-    "autorest": "3.6.1",
+    "autorest": "3.6.3",
     "typescript": "~5.1.3"
   }
 }