diff --git a/cpanfile b/cpanfile
index 5a61b98..f9b061a 100644
--- a/cpanfile
+++ b/cpanfile
@@ -13,3 +13,4 @@ requires 'Params::Util';
 requires 'Net::SSLeay';
 requires 'HTML::HeadParser';
 requires 'File::MimeInfo';
+requires 'Const::Fast';