diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index ddb276d..2879cef 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -4,4 +4,8 @@ jobs:
     runs-on: native
     steps:
       - uses: actions/checkout@v4
-      - run: nix flake check
+      - run: nix flake update
+      - run: nix build .#nixosConfigurations.orbi.config.system.build.toplevel
+      - run: nix build .#nixosConfigurations.cream.config.system.build.toplevel
+      - run: nix build .#nixosConfigurations.cherry.config.system.build.toplevel
+      - run: nix build .#nixosConfigurations.chungus.config.system.build.toplevel