diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index bad0641..fb46f2a 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v12
+      - uses: cachix/install-nix-action@v13
       - run: nix-shell --run ./ci.sh
         env:
           CI_REGISTRY_AUTH: '${{ secrets.REGISTRY_AUTH }}'