diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 58885e9..0e16911 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -51,3 +51,5 @@ jobs:
           components: rustfmt
       - name: Rustfmt Check
         uses: actions-rust-lang/rustfmt@v1
+        with:
+          manifest-path: ./backend/Cargo.toml