diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 6968347..7d71dcd 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -10,4 +10,7 @@ jobs:
     runs-on: nix-latest
     steps:
       - uses: actions/checkout@v5
+      - uses: cachix/install-nix-action@v31
+        with:
+          install_url: https://releases.nixos.org/nix/nix-2.28.5/install
       - run: nix run nixpkgs#colmena apply