diff --git a/lasso.spec b/lasso.spec
index b7742bb..510ed53 100644
--- a/lasso.spec
+++ b/lasso.spec
@@ -90,7 +90,10 @@ BuildRequires: perl-devel
 BuildRequires: perl-generators
 BuildRequires: perl(Error)
 BuildRequires: perl(ExtUtils::MakeMaker)
+BuildRequires: perl(strict)
 BuildRequires: perl(Test::More)
+BuildRequires: perl(warnings)
+BuildRequires: perl(XSLoader)
 %endif
 %if %{with_php}
 BuildRequires: expat-devel