diff --git a/.github/workflows/auto_rebase.yml b/.github/workflows/auto_rebase.yml
index 25ba210..7164a58 100644
--- a/.github/workflows/auto_rebase.yml
+++ b/.github/workflows/auto_rebase.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
 
diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 305e245..c9132b3 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python 3.10
       uses: actions/setup-python@v4