--- Makefile.PL
+++ Makefile.PL
@@ -4,13 +4,13 @@ use warnings;
 
 use 5.008000;
 
-use ExtUtils::MakeMaker 6.78;
+use ExtUtils::MakeMaker 6.31;
 
 my %WriteMakefileArgs = (
   "ABSTRACT" => "install subroutines into packages easily",
   "AUTHOR" => "Ricardo SIGNES <cpan\@semiotic.systems>",
   "CONFIGURE_REQUIRES" => {
-    "ExtUtils::MakeMaker" => "6.78"
+    "ExtUtils::MakeMaker" => "6.31"
   },
   "DISTNAME" => "Sub-Install",
   "LICENSE" => "perl",