--- a/Build.PL	Thu Jan 13 00:20:26 2011 +0100
+++ b/Build.PL	Thu Jan 13 00:27:03 2011 +0100
@@ -1,8 +1,9 @@
 use Module::Build;
 my $build = Module::Build->new(
-    module_name => "dnstools",
+    module_name  => "dnstools",
     dist_version => "0.1",
-    license => "perl",
+    license      => "perl",
+    requires     => { perl => "5.10.0", },
 );
 
 $build->create_build_script;