diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 680f1fd7b..ecaaf4207 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -1475,6 +1475,8 @@ class BaseException(object):
         __suppress_context__: bool
         __traceback__: Optional[TracebackType]
     def __init__(self, *args: object) -> None: ...
+    def __str__(self) -> str: ...
+    def __repr__(self) -> str: ...
     if sys.version_info < (3,):
         def __getitem__(self, i: int) -> Any: ...
         def __getslice__(self, start: int, stop: int) -> Tuple[Any, ...]: ...
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index 680f1fd7b..ecaaf4207 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -1475,6 +1475,8 @@ class BaseException(object):
         __suppress_context__: bool
         __traceback__: Optional[TracebackType]
     def __init__(self, *args: object) -> None: ...
+    def __str__(self) -> str: ...
+    def __repr__(self) -> str: ...
     if sys.version_info < (3,):
         def __getitem__(self, i: int) -> Any: ...
         def __getslice__(self, start: int, stop: int) -> Tuple[Any, ...]: ...