diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9991414..d132fee 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -11,6 +11,6 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/nix-installer-action@v20
       - run: nix flake check
diff --git a/.github/workflows/flake-update.yaml b/.github/workflows/flake-update.yaml
index a8ec89a..3ff3036 100644
--- a/.github/workflows/flake-update.yaml
+++ b/.github/workflows/flake-update.yaml
@@ -9,7 +9,7 @@ jobs:
   lockfile:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/nix-installer-action@v20
       - uses: DeterminateSystems/update-flake-lock@v28
       - run: nix flake check