diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8325034..b6d2ec7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,4 +8,4 @@ jobs:
     steps:
     - uses: actions/checkout@v2.3.4
     - uses: cachix/install-nix-action@v15
-    - run: nix check
+    - run: nix flake check