diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 35a7c34..e83e4f2 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -73,7 +73,7 @@ jobs:
       # REFER: https://github.com/actions/setup-python#caching-packages-dependencies
       - name: Setup pip cache
         id: pip-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ matrix.dependency-set }}-${{ hashFiles('pyproject.toml', 'requirements-generated.txt', 'dev-requirements-generated.txt')}}