diff --git a/.github/workflows/flake-updates-nixpkgs-update.yml b/.github/workflows/flake-updates-nixpkgs-update.yml
index 03830c2..ae0e0a1 100644
--- a/.github/workflows/flake-updates-nixpkgs-update.yml
+++ b/.github/workflows/flake-updates-nixpkgs-update.yml
@@ -6,7 +6,7 @@ jobs:
   createPullRequest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Nix
         uses: cachix/install-nix-action@v22
         with:
diff --git a/.github/workflows/repo-list.yml b/.github/workflows/repo-list.yml
index 1dff3a3..820a8fe 100644
--- a/.github/workflows/repo-list.yml
+++ b/.github/workflows/repo-list.yml
@@ -8,7 +8,7 @@ jobs:
   createPullRequest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: setup
         id: setup
         run: |