diff --git a/docs/api.rst b/docs/api.rst
index 2d8083f..a6554e1 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -174,6 +174,10 @@ Python 3.13
 
    See `PyList_GetItemRef() documentation <https://docs.python.org/dev/c-api/list.html#c.PyList_GetItemRef>`__.
 
+.. c:function:: int PyDict_SetDefaultRef(PyObject *d, PyObject *key, PyObject *default_value, PyObject **result)
+
+   See `PyDict_SetDefaultRef() documentation <https://docs.python.org/dev/c-api/dict.html#c.PyDict_SetDefaultRef>`__.
+
 
 Not supported:
 
diff --git a/docs/changelog.rst b/docs/changelog.rst
index f869e10..a530807 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,7 @@
 Changelog
 =========
 
+* 2024-04-02: Add ``PyDict_SetDefaultRef()`` function.
 * 2024-03-21: Add functions:
 
   * ``Py_GetConstant()``