diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b9b11922..cc4c67c7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,3 +13,4 @@ jobs:
       - run: yarn
       - run: yarn build
       - run: yarn build-yul
+      - run: yarn calculate-hashes --check-only