diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index f37b59c..5964ca7 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -7,6 +7,8 @@ on: [push, pull_request]
 
 jobs:
   build:
+    env:
+      PIP_EXTRA_INDEX_URL: "https://globaltrigger.web.cern.ch/pypi"
 
     runs-on: ubuntu-latest
     strategy:
@@ -19,10 +21,6 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -e . --extra-index-url=https://globaltrigger.web.cern.ch/pypi/
     - name: Install tox and any other packages
       run: pip install tox
     - name: Run tox