diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 819223a..ded6748 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,9 @@ jobs:
 
       - uses: taiki-e/install-action@just
 
+      - name: Install swift-format
+        run: brew install swift-format
+
       - name: Cache SPM dependencies
         uses: actions/cache@v4
         with: