diff --git a/stdlib/3/urllib/request.pyi b/stdlib/3/urllib/request.pyi
index 8383642e8..23e6e918c 100644
--- a/stdlib/3/urllib/request.pyi
+++ b/stdlib/3/urllib/request.pyi
@@ -47,6 +47,7 @@ class Request:
     origin_req_host = ...  # type: str
     selector = ...  # type: str
     data = ...  # type: Optional[bytes]
+    headers = ...  # type: Dict[str, str]
     unverifiable = ...  # type: bool
     method = ...  # type: Optional[str]
     def __init__(self, url: str, data: Optional[bytes] = ...,