diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 281c438..a6b07ba 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,4 +14,4 @@ jobs:
         system: [aarch64-linux, aarch64-darwin]
     steps:
       - uses: actions/checkout@v4
-      - run: nixci build --systems "github:nix-systems/${{ matrix.system }}"
+      - run: nixci build --systems "github:nix-systems/${{ matrix.system }}" -- --show-trace