diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index bc6225c98..876d80ccb 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -27,6 +27,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        python -m pip cache purge
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest pytest-mock pytest-split pytest-cov
         python -m pip install types-setuptools