diff --git a/.github/workflows/build-and-cache.yml b/.github/workflows/build-and-cache.yml
index 29173cb..15b093c 100644
--- a/.github/workflows/build-and-cache.yml
+++ b/.github/workflows/build-and-cache.yml
@@ -11,6 +11,7 @@ jobs:
           - .#attic-server
           - .#eza
           - .#conduwuit
+          - "github:cything/nixpkgs/437c3b846ebf6320f05691d627e06daa3784be20#nixosTests.garage.basic1_x"
     runs-on: ubuntu-latest
     steps:
       - uses: DeterminateSystems/nix-installer-action@main