diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 58a2408..872e014 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -1,33 +1,9 @@
 name: Publish to PyPI and test PyPI
 
-on: push
+on: release
 
 jobs:
- publish_to_test_pypi:
-    if: github.event.repository.fork == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Check out repository
-      uses: actions/checkout@v2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.10'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install setuptools wheel twine
-    - name: Build package and publish to TestPyPI
-      env:
-        TWINE_USERNAME: __token__
-        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
-      run: |
-        python setup.py sdist bdist_wheel
-        twine upload --repository testpypi dist/*
-
  publish_to_pypi:
-    # Only run this job if this workflow was triggered by the creation of a new tag
-    if: github.event_name == 'create' && github.event.ref_type == 'tag' && github.event.repository.fork == false
     runs-on: ubuntu-latest
     steps:
     - name: Check out repository