diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index ee0d0b3..f8cb72f 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -18,11 +18,11 @@ jobs:
         python-version: [ '3.9', '3.10', '3.11', '3.12' ]
 
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}