diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 0ba47cc..bdc8600 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -26,14 +26,14 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v3
       with:
-        python-version: '3.x'
+        python-version: '3.7'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install build
     # Test PyPI
     - name: Publish distribution to Test PyPI
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         password: ${{ secrets.TEST_PYPI_API_TOKEN }}
         repository_url: https://test.pypi.org/legacy/