diff --git a/README.rst b/README.rst
@@ -108,6 +108,15 @@ Upgrade Operations
  * Replace ``obj->ob_refcnt = refcnt;`` with ``Py_SET_REFCNT(obj, refcnt);``.
  * Replace ``Py_REFCNT(obj) = refcnt;`` with ``Py_SET_REFCNT(obj, refcnt);``.

* ``PyObject_NEW``:

  * Replace ``PyObject_NEW(...)`` with ``PyObject_New(...)``.
@@ -156,6 +165,10 @@ Python 3.10

    PyObject* Py_NewRef(PyObject *obj);
    PyObject* Py_XNewRef(PyObject *obj);

    int PyModule_AddObjectRef(PyObject *module, const char *name, PyObject *value);

@@ -324,6 +337,7 @@ Links
Changelog
=========

* 2021-04-01:

  * Add ``Py_SETREF()``, ``Py_XSETREF()`` and ``Py_UNUSED()``.

diff --git a/pythoncapi_compat.h b/pythoncapi_compat.h
@@ -113,6 +113,23 @@ static inline void _Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt)
    } while (0)
#endif

// bpo-39573 added Py_SET_TYPE() to Python 3.9.0a4
#if PY_VERSION_HEX < 0x030900A4 && !defined(Py_SET_TYPE)
static inline void

diff --git a/tests/test_pythoncapi_compat_cext.c b/tests/test_pythoncapi_compat_cext.c
@@ -86,6 +86,40 @@ test_object(PyObject *Py_UNUSED(module), PyObject* Py_UNUSED(ignored))
}


static PyObject *
test_steal_ref(PyObject *Py_UNUSED(module), PyObject* Py_UNUSED(ignored))
{
@@ -358,6 +392,7 @@ test_module(PyObject *Py_UNUSED(module), PyObject* Py_UNUSED(ignored))

static struct PyMethodDef methods[] = {
    {"test_object", test_object, METH_NOARGS, NULL},
    {"test_steal_ref", test_steal_ref, METH_NOARGS, NULL},
#if !defined(PYPY_VERSION)
    {"test_frame", test_frame, METH_NOARGS, NULL},

diff --git a/tests/test_upgrade_pythoncapi.py b/tests/test_upgrade_pythoncapi.py
@@ -22,6 +22,8 @@ def reformat(source):


class Tests(unittest.TestCase):
    def _test_patch_file(self, tmp_dir):
        # test Patcher.patcher()
        source = """
@@ -473,6 +475,67 @@ def test_py_decref_assign(self):
            }
        """)


if __name__ == "__main__":
    unittest.main()