diff --git a/Doc/c-api/function.rst b/Doc/c-api/function.rst
index 5fb8567ef8c95f..7d709820f65566 100644
--- a/Doc/c-api/function.rst
+++ b/Doc/c-api/function.rst
@@ -142,6 +142,16 @@ There are a few functions specific to Python functions.
    do not do type checking. Passing anything other than an instance of
    :c:data:`PyFunction_Type` is undefined behavior.
 
+.. c:function:: PyObject *PyFunction_GET_BUILTINS(PyObject *op)
+
+   Return the dictionary used to look up builtins (which might be ``NULL``)
+   when calling function *op*.
+
+   This function cannot fail and does not do error checking; passing anything
+   other than an instance of :c:data:`PyFunction_Type` is undefined behavior.
+   There is no ``PyFunction_Get*`` equivalent for this function.
+
+   .. versionadded 3.14
 
 .. c:function:: int PyFunction_AddWatcher(PyFunction_WatchCallback callback)
 
diff --git a/Doc/data/refcounts.dat b/Doc/data/refcounts.dat
index 144c5608e07426..5072db7da1c932 100644
--- a/Doc/data/refcounts.dat
+++ b/Doc/data/refcounts.dat
@@ -966,6 +966,9 @@ PyFunction_GetAnnotations:PyObject*:op:0:
 PyFunction_GET_ANNOTATIONS:PyObject*::0:
 PyFunction_GET_ANNOTATIONS:PyObject*:op:0:
 
+PyFunction_GET_BUILTINS:PyObject*::0:
+PyFunction_GET_BUILTINS:PyObject*:op:0:
+
 PyFunction_GetClosure:PyObject*::0:
 PyFunction_GetClosure:PyObject*:op:0: