diff --git a/stdlib/inspect.pyi b/stdlib/inspect.pyi
index 82a59d613..639617239 100644
--- a/stdlib/inspect.pyi
+++ b/stdlib/inspect.pyi
@@ -3,7 +3,7 @@ import sys
 import types
 from _typeshed import Self
 from collections import OrderedDict
-from collections.abc import Awaitable, Callable, Generator, Mapping, Sequence
+from collections.abc import Awaitable, Callable, Generator, Mapping, Sequence, Set as AbstractSet
 from types import (
     AsyncGeneratorType,
     BuiltinFunctionType,
@@ -317,7 +317,7 @@ class ClosureVars(NamedTuple):
     nonlocals: Mapping[str, Any]
     globals: Mapping[str, Any]
     builtins: Mapping[str, Any]
-    unbound: set[str]
+    unbound: AbstractSet[str]
 
 def getclosurevars(func: Callable[..., Any]) -> ClosureVars: ...
 def unwrap(func: Callable[..., Any], *, stop: Callable[[Any], Any] | None = ...) -> Any: ...
diff --git a/stdlib/random.pyi b/stdlib/random.pyi
index fd449ee1b..4834dab65 100644
--- a/stdlib/random.pyi
+++ b/stdlib/random.pyi
@@ -1,7 +1,7 @@
 import _random
 import sys
 from _typeshed import SupportsLenAndGetItem
-from collections.abc import Callable, Iterable, MutableSequence, Sequence
+from collections.abc import Callable, Iterable, MutableSequence, Sequence, Set as AbstractSet
 from fractions import Fraction
 from typing import Any, ClassVar, NoReturn, Tuple, TypeVar
 
@@ -29,9 +29,11 @@ class Random(_random.Random):
     ) -> list[_T]: ...
     def shuffle(self, x: MutableSequence[Any], random: Callable[[], float] | None = ...) -> None: ...
     if sys.version_info >= (3, 9):
-        def sample(self, population: Sequence[_T] | set[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
+        def sample(
+            self, population: Sequence[_T] | AbstractSet[_T], k: int, *, counts: Iterable[_T] | None = ...
+        ) -> list[_T]: ...
     else:
-        def sample(self, population: Sequence[_T] | set[_T], k: int) -> list[_T]: ...
+        def sample(self, population: Sequence[_T] | AbstractSet[_T], k: int) -> list[_T]: ...
     def random(self) -> float: ...
     def uniform(self, a: float, b: float) -> float: ...
     def triangular(self, low: float = ..., high: float = ..., mode: float | None = ...) -> float: ...
@@ -73,10 +75,10 @@ def choices(
 def shuffle(x: MutableSequence[Any], random: Callable[[], float] | None = ...) -> None: ...
 
 if sys.version_info >= (3, 9):
-    def sample(population: Sequence[_T] | set[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
+    def sample(population: Sequence[_T] | AbstractSet[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
 
 else:
-    def sample(population: Sequence[_T] | set[_T], k: int) -> list[_T]: ...
+    def sample(population: Sequence[_T] | AbstractSet[_T], k: int) -> list[_T]: ...
 
 def random() -> float: ...
 def uniform(a: float, b: float) -> float: ...