diff --git a/stdlib/asyncio/sslproto.pyi b/stdlib/asyncio/sslproto.pyi
index b56b1547db8a..04197c8d2978 100644
--- a/stdlib/asyncio/sslproto.pyi
+++ b/stdlib/asyncio/sslproto.pyi
@@ -156,9 +156,10 @@ class SSLProtocol(_SSLProtocolBase):
     def _check_handshake_timeout(self) -> None: ...
     def _on_handshake_complete(self, handshake_exc: BaseException | None) -> None: ...
     def _fatal_error(self, exc: BaseException, message: str = "Fatal error on transport") -> None: ...
-    def _abort(self) -> None: ...
     if sys.version_info >= (3, 11):
+        def _abort(self, exc: BaseException | None) -> None: ...
         def get_buffer(self, n: int) -> memoryview: ...
     else:
+        def _abort(self) -> None: ...
         def _finalize(self) -> None: ...
         def _process_write_backlog(self) -> None: ...
diff --git a/tests/stubtest_allowlists/py312.txt b/tests/stubtest_allowlists/py312.txt
index 553717e306f5..aef0bdc20bd6 100644
--- a/tests/stubtest_allowlists/py312.txt
+++ b/tests/stubtest_allowlists/py312.txt
@@ -124,3 +124,7 @@ typing.SupportsAbs.__type_params__
 typing.SupportsRound.__type_params__
 typing_extensions.SupportsAbs.__type_params__
 typing_extensions.SupportsRound.__type_params__
+
+# Dunder that exists on all runtime-checkable protocols on py312+
+# TODO teach stubtest about this so we don't have to allowlist it
+.+\.__non_callable_proto_members__