diff --git a/Include/dictobject.h b/Include/dictobject.h
index fd3d1fc..44b0838 100644
--- a/Include/dictobject.h
+++ b/Include/dictobject.h
@@ -100,12 +100,15 @@
 PyAPI_FUNC(void) PyDict_Clear(PyObject *mp);
 PyAPI_FUNC(int) PyDict_Next(
 	PyObject *mp, Py_ssize_t *pos, PyObject **key, PyObject **value);
+PyAPI_FUNC(int) _PyDict_Next(
+	PyObject *mp, Py_ssize_t *pos, PyObject **key, PyObject **value, long *hash);
 PyAPI_FUNC(PyObject *) PyDict_Keys(PyObject *mp);
 PyAPI_FUNC(PyObject *) PyDict_Values(PyObject *mp);
 PyAPI_FUNC(PyObject *) PyDict_Items(PyObject *mp);
 PyAPI_FUNC(Py_ssize_t) PyDict_Size(PyObject *mp);
 PyAPI_FUNC(PyObject *) PyDict_Copy(PyObject *mp);
 PyAPI_FUNC(int) PyDict_Contains(PyObject *mp, PyObject *key);
+PyAPI_FUNC(int) _PyDict_Contains(PyObject *mp, PyObject *key, long hash);
 
 /* PyDict_Update(mp, other) is equivalent to PyDict_Merge(mp, other, 1). */
 PyAPI_FUNC(int) PyDict_Update(PyObject *mp, PyObject *other);