diff --git a/src/python3.def b/src/python3.def
index 4ed38c3..51a99fa 100644
--- a/src/python3.def
+++ b/src/python3.def
@@ -757,6 +757,8 @@ _Py_SetRefcnt
 PyList_GetItemRef
 PyType_GetFullyQualifiedName
 PyType_GetModuleName
+Py_GetConstant
+Py_GetConstantBorrowed
 PyBaseObject_Type DATA
 PyBool_Type DATA
 PyByteArrayIter_Type DATA