diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 91cdf4d..1e98a46 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   test:
     runs-on: docker
-    image: nixos/nix
     steps:
       - uses: actions/checkout@v4
+      - uses: https://github.com/cachix/install-nix-action@v22
       - run: nix --version