diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67532f9..aa3556a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,7 @@ jobs:
           check-latest: true
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/*requirements.txt', '**/pyproject.toml', '**/setup.py', '**/setup.cfg') }}