diff --git a/setup.py b/setup.py
index 4a0cb8b..2e9f9a4 100644
--- a/setup.py
+++ b/setup.py
@@ -2060,7 +2060,7 @@
               '_decimal/libmpdec/fnt.h',
               '_decimal/libmpdec/fourstep.h',
               '_decimal/libmpdec/io.h',
-              '_decimal/libmpdec/memory.h',
+              '_decimal/libmpdec/mpalloc.h',
               '_decimal/libmpdec/mpdecimal.h',
               '_decimal/libmpdec/numbertheory.h',
               '_decimal/libmpdec/sixstep.h',