diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0ffc87b..68156cf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -38,6 +38,8 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+        env:
+          PIP_TRUSTED_HOST: "pypi.python.org pypi.org files.pythonhosted.org"
       - name: Install Pytest
         run: |
           pip install --upgrade pip