diff --git a/appveyor.yml b/appveyor.yml
index 293f3544df0b1..74f5edb92b65e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,6 +29,8 @@ install:
 
 test_script:
   - node --version
+  - yarn lint
+  - yarn flow
   - yarn build
   - yarn test