diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9dd8d1db..5e9785a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,6 +55,9 @@ jobs:
           go-version: "1.25.8"
           cache-dependency-path: go_backend/go.sum
 
+      - name: Check formatting
+        run: test -z "$(gofmt -l .)"
+
       - name: Vet
         run: go vet ./...