diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index cbac84d..b0635b7 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v23
       with:
         nix_path: nixpkgs=channel:nixos-unstable