diff --git a/ci/prebuild.yml b/ci/prebuild.yml
index e62f58c85b..65c4d547da 100644
--- a/ci/prebuild.yml
+++ b/ci/prebuild.yml
@@ -31,5 +31,6 @@ gen prebuild:
       - "**/*.json"
       - "**/*.proto"
       - "**/*.py"
+      - "**/*.pyi"
   script:
     - pipenv run make gen_check