--- Makefile.PL.orig	2017-06-23 08:08:29.000000000 -0700
+++ Makefile.PL	2017-06-23 08:08:48.000000000 -0700
@@ -7,6 +7,7 @@
 =cut
 
 use strict;
+use lib '.';
 use inc::Module::Install;
 
 name 'Digest-Whirlpool';