diff --git a/sorts/pancake_sort.py b/sorts/pancake_sort.py
index e5d600738435..de2a596e46a8 100644
--- a/sorts/pancake_sort.py
+++ b/sorts/pancake_sort.py
@@ -8,8 +8,10 @@
 python pancake_sort.py
 """
 
+from typing import Any
 
-def pancake_sort(arr):
+
+def pancake_sort(arr: list[Any]) -> list[Any]:
     """Sort Array with Pancake Sort.
     :param arr: Collection containing comparable items
     :return: Collection ordered in ascending order of items