diff --git a/.github/workflows/lint_python.yml b/.github/workflows/lint_python.yml
index cfb6a6c..e82b028 100644
--- a/.github/workflows/lint_python.yml
+++ b/.github/workflows/lint_python.yml
@@ -4,7 +4,7 @@ jobs:
   lint_python:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
           cache: pip
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 83804db..77b25fe 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [windows-latest, macos-latest, ubuntu-latest]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # fetch all branches and tags
           # ref actions/checkout#448