diff --git a/Build.PL b/Build.PL
index 361e1beee..53dccbbba 100644
--- a/Build.PL
+++ b/Build.PL
@@ -22,6 +22,7 @@ my $build = Module::Build->new(
     },
     build_requires => {
         'Test::More' => '0.10',
+        'IO::Scalar' => '0.10',
     },
     recommends     => {
         'Growl::GNTP' => '0.15',