diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e832edb58..5ec556e31c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -77,6 +77,11 @@ jobs:
       - name: build
         run: npm run build
 
+      - name: Check no proto files changed
+        shell: bash
+        run: |
+          [ $(git status --short --ignore-submodules|wc -l) -eq 0 ]
+
       - name: test
         run: npm run test