diff --git a/cpanfile b/cpanfile
index 699cece713..7e8d89aca0 100644
--- a/cpanfile
+++ b/cpanfile
@@ -42,6 +42,7 @@ requires 'Email::MessageID', '1.406';
 requires 'Email::Sender', '1.300030';
 requires 'Email::Stuffer', '0.014';
 requires 'Exception::Class', '1.38';
+requires 'File::LibMagic', '1.23';
 requires 'File::Slurp', '9999.13';
 requires 'Font::TTF', '0.45';
 requires 'GD', '2.39';