diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index a6938ab..8ba3328 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -41,9 +41,9 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.pyver }}
-      - run: pip install 'pip >=23' build
+      - run: sudo apt install python3-build
       - run: python -m build
-      - run: pip install dist/localstripe-*.tar.gz
+      - run: pip install dist/localstripe-*.tar.gz --break-system-packages
       - run: python -m localstripe &
       # Wait for server to be up:
       - run: >