diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 8444cb2..4d4abb5 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -106,16 +106,17 @@ jobs:
         uses: actions/cache@v4
         with:
             path: ~/.cache/pip
-            key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+            key: ${{ runner.os }}-pip-test-${{ hashFiles('**/requirements.txt') }}
             restore-keys: |
+              - ${{ runner.os }}-pip-test-${{ hashFiles('**/requirements.txt') }}
               - ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
               - ${{ runner.os }}-pip
-            lookup-only: true
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+          pip install pytest-cov
 
       - name: Units tests
         env: