diff --git a/.github/workflows/fmt.yml b/.github/workflows/fmt.yml
index cd5c745..96f626a 100644
--- a/.github/workflows/fmt.yml
+++ b/.github/workflows/fmt.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - name: Run alejandra
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index b0f1b23..77a8634 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - uses: webfactory/ssh-agent@v0.9.0