diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bbae0281e50..4115c93920e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -80,7 +80,6 @@ jobs:
           MPLBACKEND: Agg
         run: |
           source $VENV
-          pip install pytest
           pytest tests/
 
       - name: Start Terminal and exit
@@ -133,7 +132,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: .venv
-          key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
+          key: venv-${{ runner.os }}-v1-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
@@ -153,7 +152,6 @@ jobs:
           MPLBACKEND: Agg
         run: |
           source $VENV
-          pip install pytest
           pytest tests/
 
       - name: Start Terminal and exit