diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 0c1d997..b787dca 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -21,7 +21,7 @@ jobs:
           - nixos-21.11
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: cachix/install-nix-action@v16
       - run: nix-shell --run ./ci.sh
         env: