diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 41858c6..750b98c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,13 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
+  check_format:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v6
+    - uses: dtolnay/rust-toolchain@stable
+    - name: Check format
+      run: cargo fmt --check
   build:
     runs-on: ubuntu-latest
     steps: