diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 8bb294f2..25cd432b 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -6,9 +6,9 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
     - name: install tox