diff --git a/debian/control b/debian/control
index c923892..c3067f0 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Debian Ruby Extras Maintainers <pkg-ruby-extras-maintainers@lists.alioth.debian.org>
 Uploaders: Lucas Nussbaum <lucas@debian.org>, Antonio Terceiro <terceiro@debian.org>
-Build-Depends: debhelper (>= 7.0.50~), gem2deb (>= 0.2.1), ruby-feedparser (>= 0.9.2-1~), ruby-rubymail, ruby-mocha
+Build-Depends: debhelper (>= 7.0.50~), gem2deb (>= 0.2.1), ruby-feedparser (>= 0.9.2-1~), ruby-rubymail, ruby-mocha, ruby-test-unit
 Standards-Version: 3.9.4
 Vcs-Git: git://anonscm.debian.org/pkg-ruby-extras/feed2imap.git
 Vcs-Browser: http://anonscm.debian.org/gitweb?p=pkg-ruby-extras/feed2imap.git;a=summary