diff --git a/.github/workflows/python-publishtest.yml b/.github/workflows/python-publishtest.yml
index e7d7688..2dc4fef 100644
--- a/.github/workflows/python-publishtest.yml
+++ b/.github/workflows/python-publishtest.yml
@@ -9,26 +9,18 @@ on:
     - '!**'
     - 'cm_text/version.py'
 
-jobs:  
-  deploy:
-    runs-on: windows-latest
+jobs:
+  testpypi-publish:
+    name: Upload release to test PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/cm-text-sdk-python
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.x'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install --user --upgrade setuptools wheel
-        python setup.py sdist bdist_wheel
-        pip install setuptools wheel twine
-    - name: Build and publish
-      env:
-        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
-      run: |
-        python setup.py sdist bdist_wheel
-        python -m pip install --user --upgrade twine
-        python -m twine upload --repository testpypi --skip-existing dist/*
+      - uses: actions/checkout@v2
+      - id: build
+        uses: OpenAstronomy/build-python-dist@v1
+      - name: Publish package distributions to testPyPI
+        uses: pypa/gh-action-pypi-publish@v1.8.14
\ No newline at end of file
diff --git a/cm_text/version.py b/cm_text/version.py
index b582441..21206b8 100644
--- a/cm_text/version.py
+++ b/cm_text/version.py
@@ -1,2 +1 @@
-
-__version__ = '2.0.4'
+__version__ = '2.0.4'
\ No newline at end of file