diff --git a/stdlib/3.4/tracemalloc.pyi b/stdlib/3.4/tracemalloc.pyi
index 57b8f6cd3..f1b69cded 100644
--- a/stdlib/3.4/tracemalloc.pyi
+++ b/stdlib/3.4/tracemalloc.pyi
@@ -1,7 +1,7 @@
 # Stubs for tracemalloc (Python 3.4+)
 
 import sys
-from typing import Any, List, Optional, Sequence, Tuple, Union
+from typing import Any, List, Optional, Sequence, Tuple, Union, overload
 
 def clear_traces() -> None: ...
 def get_object_traceback(obj: object) -> Optional[Traceback]: ...
@@ -63,3 +63,8 @@ class Trace:
 
 class Traceback(Sequence[Frame]):
     def format(self, limit: Optional[int] = ...) -> List[str]: ...
+    @overload
+    def __getitem__(self, i: int) -> Frame: ...
+    @overload
+    def __getitem__(self, s: slice) -> Sequence[Frame]: ...
+    def __len__(self) -> int: ...