diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 0070532..aa35733 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v20
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test-vm.yml b/.github/workflows/test-vm.yml
index 11dfbec..a382fac 100644
--- a/.github/workflows/test-vm.yml
+++ b/.github/workflows/test-vm.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: "system-features = benchmark big-parallel kvm nixos-test uid-range"