diff --git a/stdlib/2and3/math.pyi b/stdlib/2and3/math.pyi
index 6af9f93ff..1f63088f1 100644
--- a/stdlib/2and3/math.pyi
+++ b/stdlib/2and3/math.pyi
@@ -26,6 +26,9 @@ if sys.version_info >= (3,):
 else:
     def ceil(__x: SupportsFloat) -> float: ...
 
+if sys.version_info >= (3, 8):
+    def comb(__n: int, __k: int) -> int: ...
+
 def copysign(__x: SupportsFloat, __y: SupportsFloat) -> float: ...
 def cos(__x: SupportsFloat) -> float: ...
 def cosh(__x: SupportsFloat) -> float: ...