diff --git a/python-ordered-set.spec b/python-ordered-set.spec
index a321a72..b0be4bc 100644
--- a/python-ordered-set.spec
+++ b/python-ordered-set.spec
@@ -16,7 +16,7 @@ can be looked up.
 %package     -n python3-ordered-set
 Summary:        ordered-set for python3
 %{?python_provide:%python_provide python2-ordered-set}
-BuildRequires:  python3-devel python3-setuptools python3-nose
+BuildRequires:  python3-devel python3-setuptools python3-nose python3-pytest
 
 %description -n python3-ordered-set
 Ordered-set for python3.