diff --git a/stdlib/imaplib.pyi b/stdlib/imaplib.pyi
index 536985a592b7..39fd466529bb 100644
--- a/stdlib/imaplib.pyi
+++ b/stdlib/imaplib.pyi
@@ -26,6 +26,7 @@ class IMAP4:
     class error(Exception): ...
     class abort(error): ...
     class readonly(abort): ...
+    utf8_enabled: bool
     mustquote: Pattern[str]
     debug: int
     state: str