diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6ddd062c..df8b53ac 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -241,15 +241,26 @@ jobs:
         with:
           name: dist
           path: dist
-      - name: Publish distribution 📦 to Test PyPI
-        uses: pypa/gh-action-pypi-publish@master
+
+      - name: Use Python 3.11
+        uses: actions/setup-python@v1
         with:
-          skip_existing: true
-          user: __token__
-          password: ${{ secrets.test_pypi_password }}
-          repository_url: https://test.pypi.org/legacy/
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          pip install twine
+
+      - name: Publish distribution 📦 to Test PyPI
+        run: |
+          twine upload -r testpypi dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.test_pypi_password }}
+
       - name: Publish distribution 📦 to PyPI
-        uses: pypa/gh-action-pypi-publish@master
-        with:
-          user: __token__
-          password: ${{ secrets.pypi_password }}
+        run: |
+          twine upload -r pypi dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.pypi_password }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7c5a400..bba81b15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.9] - 2023-01-01 :fireworks:
+- Fix invalid OpenAPI doc for route parameter with pattern (#286) - [antipooh](https://github.com/antipooh)'s contribution.
+- Fix a bug related to nullable boolean values https://github.com/Neoteroi/BlackSheep/commit/363616b7fa4cb69bf698c25768e9de04e36feb69 [jack-fireworkhq](https://github.com/jack-fireworkhq)'s contribution.
+- Fix a bug preventing web sockets from working when CORS is enabled (#296) - reported by [netwang on gitter](https://gitter.im/Neoteroi/BlackSheep).
+
 ## [1.2.8] - 2022-10-27 :snake:
 - Upgrades pinned dependencies to support Python 3.11
 - Drops active support for Python 3.7 (it is not tested anymore in CI pipelines)
diff --git a/blacksheep/server/cors.py b/blacksheep/server/cors.py
index 43ea76af..f1c4fc80 100644
--- a/blacksheep/server/cors.py
+++ b/blacksheep/server/cors.py
@@ -5,6 +5,7 @@
 from blacksheep.baseapp import BaseApplication
 from blacksheep.messages import Request, Response
 from blacksheep.server.routing import Route, Router
+from blacksheep.server.websocket import WebSocket
 
 from .responses import not_found, ok, status_code
 
@@ -243,6 +244,9 @@ def get_cors_middleware(
     strategy: CORSStrategy,
 ) -> Callable[[Request, Callable[..., Any]], Awaitable[Response]]:
     async def cors_middleware(request: Request, handler):
+        if isinstance(request, WebSocket):
+            return await handler(request)
+
         origin = request.get_first_header(b"Origin")
 
         if not origin: