diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 78726ac..cf0ea74 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: cachix/install-nix-action@v30
       with:
         nix_path: nixpkgs=channel:nixos-unstable
diff --git a/.github/workflows/update-flake-inputs.yml b/.github/workflows/update-flake-inputs.yml
index ba3311f..ce384c2 100644
--- a/.github/workflows/update-flake-inputs.yml
+++ b/.github/workflows/update-flake-inputs.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install Nix
         uses: cachix/install-nix-action@v30
         with: