diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 8a8c6ae..68163d8 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -832,6 +832,7 @@
     TUPLE___GETNEWARGS___METHODDEF
     TUPLE_INDEX_METHODDEF
     TUPLE_COUNT_METHODDEF
+    {"__class_getitem__", (PyCFunction)Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")},
     {NULL,              NULL}           /* sentinel */
 };