diff --git a/.github/workflows/treefmt.yml b/.github/workflows/treefmt.yml
index 6530965..80762e9 100644
--- a/.github/workflows/treefmt.yml
+++ b/.github/workflows/treefmt.yml
@@ -8,7 +8,7 @@ jobs:
     permissions: write-all
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - uses: ahmadnassri/action-workflow-queue@v1
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index f0ebd90..3b25431 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -12,7 +12,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - uses: ahmadnassri/action-workflow-queue@v1
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main