diff --git a/stdlib/importlib/util.pyi b/stdlib/importlib/util.pyi
index 05c4d0d1edb3..cf0533d79417 100644
--- a/stdlib/importlib/util.pyi
+++ b/stdlib/importlib/util.pyi
@@ -12,7 +12,9 @@ from importlib._bootstrap_external import (
     spec_from_file_location as spec_from_file_location,
 )
 from importlib.abc import Loader
-from typing_extensions import ParamSpec, deprecated
+from types import TracebackType
+from typing import Literal
+from typing_extensions import ParamSpec, Self, deprecated
 
 _P = ParamSpec("_P")
 
@@ -44,6 +46,16 @@ class LazyLoader(Loader):
 
 def source_hash(source_bytes: ReadableBuffer) -> bytes: ...
 
+if sys.version_info >= (3, 12):
+    class _incompatible_extension_module_restrictions:
+        def __init__(self, *, disable_check: bool) -> None: ...
+        def __enter__(self) -> Self: ...
+        def __exit__(
+            self, exc_type: type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
+        ) -> None: ...
+        @property
+        def override(self) -> Literal[-1, 1]: ...  # undocumented
+
 if sys.version_info >= (3, 14):
     __all__ = [
         "LazyLoader",