diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 11936bc..7ba86af 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -32,7 +32,7 @@ jobs:
         with:
           node-version: latest
       - name: Cache node_modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: node_modules
           key: node_modules-${{ runner.os }}-${{ hashFiles('package-lock.json') }}
diff --git a/.github/workflows/python-checks.yaml b/.github/workflows/python-checks.yaml
index 668c59f..eb26428 100644
--- a/.github/workflows/python-checks.yaml
+++ b/.github/workflows/python-checks.yaml
@@ -42,12 +42,12 @@ jobs:
           echo "PY=$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')" >> $GITHUB_OUTPUT
           echo "PIP_CACHE=$(pip cache dir)" >> $GITHUB_OUTPUT
       - name: Cache PIP
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set_variables.outputs.PIP_CACHE }}
           key: ${{ runner.os }}-pip-${{ steps.set_variables.outputs.PY }}
       - name: Cache venv
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('pdm.lock') }}