diff --git a/.github/workflows/auth-lint.yml b/.github/workflows/auth-lint.yml
index 7c37a51d25..fff7fb75f5 100644
--- a/.github/workflows/auth-lint.yml
+++ b/.github/workflows/auth-lint.yml
@@ -35,3 +35,6 @@ jobs:
             - run: flutter pub get
 
             - run: flutter analyze --no-fatal-infos
+
+            - name: Verify custom icon JSON
+              run: cat assets/custom-icons/_data/custom-icons.json | jq empty