diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1a373c1..e747463 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: install nix
         uses: cachix/install-nix-action@v20
       - uses: cachix/cachix-action@v12
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: install nix
         uses: cachix/install-nix-action@v20
       - uses: cachix/cachix-action@v12