diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index 8e6369f2..e6b59f52 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -27,9 +27,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+        cache: 'pip' # caching pip dependencies
     - name: Install dependencies
       run: |
         python -m pip install '.[dev]'