diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 08874a11..ed5c6be0 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -8,7 +8,7 @@ jobs:
   format-check:
     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 11dfbece..a382fac3 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"