diff --git a/Include/Python.h b/Include/Python.h
index 43f16f7..32b2aa5 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -77,6 +77,7 @@
 #include "rangeobject.h"
 #include "stringobject.h"
 #include "bufferobject.h"
+#include "memoryobject.h"
 #include "tupleobject.h"
 #include "listobject.h"
 #include "dictobject.h"