diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c082004..f542dc4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,9 +15,9 @@ jobs:
         python-version: [3.7, 3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - uses: psf/black@stable