diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fdd9f57..7d86983 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,7 +24,7 @@ jobs:
         os: [ubuntu-latest, macOS-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -42,7 +42,7 @@ jobs:
     needs: build-and-test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
       - uses: actions/setup-python@v5