diff --git a/python-lxml.spec b/python-lxml.spec
index 70c971f..d9a9406 100644
--- a/python-lxml.spec
+++ b/python-lxml.spec
@@ -24,11 +24,12 @@ home page < or see our bug tracker at case you want to use the current ...
 
 %package -n     python2-%{modname}
 Summary:        %{summary}
-BuildRequires:  python-setuptools
 BuildRequires:  python2-devel
-Requires:       python-cssselect
-Requires:       python-html5lib
-Requires:       python-beautifulsoup4
+BuildRequires:  python2-setuptools
+BuildRequires:  python2-Cython
+Requires:       python2-cssselect
+Requires:       python2-html5lib
+Requires:       python2-beautifulsoup4
 %{?python_provide:%python_provide python2-%{modname}}
 
 %description -n python2-%{modname} %{_description}
@@ -37,8 +38,9 @@ Python 2 version.
 
 %package -n     python3-%{modname}
 Summary:        %{summary}
-BuildRequires:  python3-setuptools
 BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-Cython
 Requires:       python3-cssselect
 Requires:       python3-html5lib
 Requires:       python3-beautifulsoup4