diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1bf5326..9a77c1a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v2
         with:
           python-version: '3.7'
@@ -54,7 +54,7 @@ jobs:
       runs-on: ubuntu-latest
       needs: github_docker_build_publish_test
       steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v4
         - uses: actions/setup-python@v2
           with:
             python-version: '3.7'