diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 214a54d..2251c27 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -37,7 +37,10 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools
-          python -m pip install -r requires/testing.txt .
+          python -m pip install -r requires/testing.txt
+          python -m pip install -e .
+      - name: Dump packages
+        run: python -m pip freeze
       - name: Run tests
         run: |
           coverage run -m unittest tests.py