diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index e92fe84..b7bd019 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -33,7 +33,7 @@ jobs:
           echo "::set-output name=dir::$(pip cache dir)"
 
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-v2-${{ hashFiles('**/setup.py') }}
@@ -46,7 +46,7 @@ jobs:
           pip install tox tox-gh-actions
 
       - name: tox cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .tox/
           key: ${{ runner.os }}-tox-v2-${{ hashFiles('**/setup.py') }}