diff --git a/stdlib/io.pyi b/stdlib/io.pyi
index 16270b948..ee4eda1b4 100644
--- a/stdlib/io.pyi
+++ b/stdlib/io.pyi
@@ -33,6 +33,9 @@ __all__ = [
 if sys.version_info >= (3, 8):
     __all__ += ["open_code"]
 
+if sys.version_info >= (3, 11):
+    __all__ += ["DEFAULT_BUFFER_SIZE", "IncrementalNewlineDecoder", "text_encoding"]
+
 _T = TypeVar("_T")
 
 DEFAULT_BUFFER_SIZE: Literal[8192]
diff --git a/stdlib/sre_parse.pyi b/stdlib/sre_parse.pyi
index 8ef65223d..2c10bf7e7 100644
--- a/stdlib/sre_parse.pyi
+++ b/stdlib/sre_parse.pyi
@@ -19,6 +19,9 @@ FLAGS: dict[str, int]
 TYPE_FLAGS: int
 GLOBAL_FLAGS: int
 
+if sys.version_info >= (3, 11):
+    MAXWIDTH: int
+
 if sys.version_info < (3, 11):
     class Verbose(Exception): ...
 
diff --git a/tests/stubtest_allowlists/py312.txt b/tests/stubtest_allowlists/py312.txt
index 792f4a25d..ad2cd800e 100644
--- a/tests/stubtest_allowlists/py312.txt
+++ b/tests/stubtest_allowlists/py312.txt
@@ -14,6 +14,10 @@ enum.Enum.__init__
 tkinter._VersionInfoType.__doc__
 typing.NewType.__mro_entries__
 
+# These can be removed when the next patch release of 3.12 comes out:
+io.__all__
+sre_parse.MAXWIDTH
+
 # ==========
 # Related to positional-only arguments
 # ==========