diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d91e926..425e347 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: cachix/install-nix-action@v22
         name: Install Nix