diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 66e85b0..cb5c891 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        check: [lint, typecheck]
+        check: [lint, typecheck, format]
 
     runs-on: ubuntu-latest