diff --git a/.github/workflows/rust.yaml b/.github/workflows/rust.yaml
index c29b4d8..c4fc65d 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/rust.yaml
@@ -14,7 +14,8 @@ jobs:
         with:
           toolchain: stable
           components: rustfmt
-      - run: rustfmt src/*
+      - run: rustfmt src/main.rs
+      - run: rustfmt src/lib.rs
   clippy:
     name: Clippy
     runs-on: ubuntu-latest