diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 09d64a4..b8dcd9e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -9,6 +9,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
+    - name: Check formatting
+      run: cargo fmt --check
     - name: Build
       run: cargo build --all-targets --verbose
     - name: Run tests