diff --git a/rubygem-diff-lcs.spec b/rubygem-diff-lcs.spec
index 704bef5..82164c9 100644
--- a/rubygem-diff-lcs.spec
+++ b/rubygem-diff-lcs.spec
@@ -16,6 +16,7 @@ Source0:        http://gems.rubyforge.org/gems/%{gemname}-%{version}.gem
 Requires:       ruby(abi) = %{rubyabi}
 Requires:       rubygems
 BuildRequires:  rubygems-devel
+BuildRequires:	rubygem(minitest)
 BuildRequires:	ruby(abi) = %{rubyabi}
 BuildArch:      noarch
 Provides:       rubygem(%{gemname}) = %{version}