diff --git a/cpanfile b/cpanfile
index f10f1968..cf0efef1 100644
--- a/cpanfile
+++ b/cpanfile
@@ -1,2 +1,8 @@
 requires 'Bio::DB::BigFile';
+requires 'Bio::DB::HTS';
+requires 'Bio::DB::Sam';
+requires 'Bio::Tools::CodonTable';
+requires 'Compress::Bzip2';
+requires 'JSON';
 requires 'Try::Tiny';
+requires 'URI::Escape';