diff --git a/stdlib/configparser.pyi b/stdlib/configparser.pyi
index b812abe99..e89d779f4 100644
--- a/stdlib/configparser.pyi
+++ b/stdlib/configparser.pyi
@@ -4,6 +4,30 @@ from collections.abc import Callable, ItemsView, Iterable, Iterator, Mapping, Mu
 from typing import Any, ClassVar, Optional, Pattern, TypeVar, overload
 from typing_extensions import Literal
 
+__all__ = [
+    "NoSectionError",
+    "DuplicateOptionError",
+    "DuplicateSectionError",
+    "NoOptionError",
+    "InterpolationError",
+    "InterpolationDepthError",
+    "InterpolationMissingOptionError",
+    "InterpolationSyntaxError",
+    "ParsingError",
+    "MissingSectionHeaderError",
+    "ConfigParser",
+    "SafeConfigParser",
+    "RawConfigParser",
+    "Interpolation",
+    "BasicInterpolation",
+    "ExtendedInterpolation",
+    "LegacyInterpolation",
+    "SectionProxy",
+    "ConverterMapping",
+    "DEFAULTSECT",
+    "MAX_INTERPOLATION_DEPTH",
+]
+
 # Internal type aliases
 _section = Mapping[str, str]
 _parser = MutableMapping[str, _section]