diff --git a/packages/autorest.python/CHANGELOG.md b/packages/autorest.python/CHANGELOG.md
index 0267f3f4735..594663bf5fd 100644
--- a/packages/autorest.python/CHANGELOG.md
+++ b/packages/autorest.python/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Release
 
+## 6.42.1
+
+### Bug Fixes
+
+- [#3257](https://github.com/Azure/autorest.python/pull/3257) add flag for clear output folder and set default to false
+
+
 ## 6.42.0
 
 ### Features
diff --git a/packages/autorest.python/package.json b/packages/autorest.python/package.json
index c06deba98d1..aeb02f0fe54 100644
--- a/packages/autorest.python/package.json
+++ b/packages/autorest.python/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@autorest/python",
-  "version": "6.42.0",
+  "version": "6.42.1",
   "description": "The Python extension for generators in AutoRest.",
   "scripts": {
     "start": "node ./scripts/run-python3.js ./scripts/start.py",
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Azure/autorest.python/blob/main/README.md",
   "dependencies": {
-    "@typespec/http-client-python": "~0.20.0",
+    "@typespec/http-client-python": "~0.20.2",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "~4.19.1"
diff --git a/packages/typespec-python/CHANGELOG.md b/packages/typespec-python/CHANGELOG.md
index e8af174e57b..bc41284104c 100644
--- a/packages/typespec-python/CHANGELOG.md
+++ b/packages/typespec-python/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Release
 
+## 0.53.1
+
+### Bug Fixes
+
+- [#3257](https://github.com/Azure/autorest.python/pull/3257) add flag for clear output folder and set default to false
+
+
 ## 0.53.0
 
 ### Features
diff --git a/packages/typespec-python/package.json b/packages/typespec-python/package.json
index 05e61743179..0689993e97a 100644
--- a/packages/typespec-python/package.json
+++ b/packages/typespec-python/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@azure-tools/typespec-python",
-  "version": "0.53.0",
+  "version": "0.53.1",
   "author": "Microsoft Corporation",
   "description": "TypeSpec emitter for Python SDKs",
   "homepage": "https://github.com/Azure/autorest.python",
@@ -67,7 +67,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "~4.19.1",
-    "@typespec/http-client-python": "~0.20.0",
+    "@typespec/http-client-python": "~0.20.2",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {
diff --git a/packages/typespec-python/scripts/eng/regenerate.ts b/packages/typespec-python/scripts/eng/regenerate.ts
index a9ca87a921e..1ee5b19e089 100644
--- a/packages/typespec-python/scripts/eng/regenerate.ts
+++ b/packages/typespec-python/scripts/eng/regenerate.ts
@@ -146,6 +146,9 @@ const EMITTER_OPTIONS: Record<string, Record<string, string> | Record<string, st
         "package-mode": "azure-dataplane",
         "package-pprint-name": "ResiliencySrvDriven2",
     },
+    "authentication/api-key": {
+        "clear-output-folder": "true",
+    },
     "authentication/http/custom": {
         "package-name": "authentication-http-custom",
         "namespace": "authentication.http.custom",
@@ -207,6 +210,7 @@ const EMITTER_OPTIONS: Record<string, Record<string, string> | Record<string, st
             "package-name": "generation-subdir",
             "namespace": "generation.subdir",
             "generation-subdir": "_generated",
+            "clear-output-folder": "true",
         },
     ],
     "type/model/usage": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 07e06ef070e..83a5305d6ab 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -60,8 +60,8 @@ importers:
         specifier: ~1.0.2
         version: 1.0.2
       '@typespec/http-client-python':
-        specifier: ~0.20.0
-        version: 0.20.0(v262dab2qaapor3zxkb4zsb4ba)
+        specifier: ~0.20.2
+        version: 0.20.2(v262dab2qaapor3zxkb4zsb4ba)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -82,8 +82,8 @@ importers:
   packages/typespec-python:
     dependencies:
       '@typespec/http-client-python':
-        specifier: ~0.20.0
-        version: 0.20.0(v262dab2qaapor3zxkb4zsb4ba)
+        specifier: ~0.20.2
+        version: 0.20.2(v262dab2qaapor3zxkb4zsb4ba)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -1681,8 +1681,8 @@ packages:
     peerDependencies:
       '@typespec/compiler': ^1.5.0
 
-  '@typespec/http-client-python@0.20.0':
-    resolution: {integrity: sha512-9xl+hk85gF82z5NiQA/92sRtPnpNdvbOcp/HmGS6xo9fwbJ3m4+2eSAH1hynagvrAOBdEEY+iRtnnZ/KH2a0Vg==}
+  '@typespec/http-client-python@0.20.2':
+    resolution: {integrity: sha512-v3rG3hBY4HGTna0kULDio+2tHV8t4yf8IGrEWDgvXtlghliAHQ92DVIlbT8mnSFsOGPni9YtB0IkkMDt2csPOg==}
     engines: {node: '>=20.0.0'}
     peerDependencies:
       '@azure-tools/typespec-autorest': '>=0.61.0 <1.0.0'
@@ -6465,7 +6465,7 @@ snapshots:
     dependencies:
       '@typespec/compiler': 1.5.0(@types/node@24.1.0)
 
-  '@typespec/http-client-python@0.20.0(v262dab2qaapor3zxkb4zsb4ba)':
+  '@typespec/http-client-python@0.20.2(v262dab2qaapor3zxkb4zsb4ba)':
     dependencies:
       '@azure-tools/typespec-autorest': 0.61.0(yehncn3lp4xzygpesuojuhtg7i)
       '@azure-tools/typespec-azure-core': 0.61.0(@typespec/compiler@1.5.0(@types/node@24.1.0))(@typespec/http@1.5.0(@typespec/compiler@1.5.0(@types/node@24.1.0))(@typespec/streams@0.75.0(@typespec/compiler@1.5.0(@types/node@24.1.0))))(@typespec/rest@0.75.0(@typespec/compiler@1.5.0(@types/node@24.1.0))(@typespec/http@1.5.0(@typespec/compiler@1.5.0(@types/node@24.1.0))(@typespec/streams@0.75.0(@typespec/compiler@1.5.0(@types/node@24.1.0)))))