diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index b265d38..bab474a 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -35,3 +35,5 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Run Credo
       run: mix credo --strict
+    - name: Check format
+      run: mix format --check-formatted