diff --git a/mypy.ini b/mypy.ini
index 641e18c170..2cf00a8c88 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -15,6 +15,8 @@ disallow_untyped_defs = true
 disallow_incomplete_defs = true
 show_error_codes = false
 disable_error_code = empty-body
+force_uppercase_builtins = true
+force_union_syntax = true
 
 
 plugins =