diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8eb2c27f..f5057032 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -49,7 +49,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: .venv
-          key: venv-${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
+          key: venv-${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}-${{ secrets.CACHE_VERSION }}
 
       - name: Project dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'