diff --git a/Doc/c-api/lifecycle.rst b/Doc/c-api/lifecycle.rst
index 5a170862a26f44..531c4080a0131c 100644
--- a/Doc/c-api/lifecycle.rst
+++ b/Doc/c-api/lifecycle.rst
@@ -256,6 +256,8 @@ To allocate and free memory, see :ref:`allocating-objects`.
    collection (i.e., the :c:macro:`Py_TPFLAGS_HAVE_GC` flag is set); this may
    change in the future.
 
+   .. versionadded:: 3.4
+
 
 .. c:function:: int PyObject_CallFinalizerFromDealloc(PyObject *op)
 
@@ -266,6 +268,8 @@ To allocate and free memory, see :ref:`allocating-objects`.
    should happen.  Otherwise, this function returns 0 and destruction can
    continue normally.
 
+   .. versionadded:: 3.4
+
    .. seealso::
 
       :c:member:`~PyTypeObject.tp_dealloc` for example code.