diff --git a/Configure b/Configure
index 6098af778560aa3dd5571cf5ccd02fcbf89d8255..0a1e44def3c986b1fe88583186b778879b4921c2 100755
--- a/Configure
+++ b/Configure
@@ -1,5 +1,6 @@
 #!/usr/local/bin/perl -w
 
+require 5.000;
 use strict;
 
 #