diff --git a/python-schema.spec b/python-schema.spec
index 7e20c99..7b7ffff 100644
--- a/python-schema.spec
+++ b/python-schema.spec
@@ -24,6 +24,7 @@ Summary:        %{summary}
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 BuildRequires:  python3-pytest
+BuildRequires:  python3-mock
 
 %description -n python3-%{modname} %{_description}
 
@@ -51,6 +52,7 @@ py.test-%{python3_version} -v
 %changelog
 * Tue Aug 20 2019 Pierre-Yves Chibon <pingou@pingoured.fr> - 0.7.0-1
 - Upgrade to 0.7.0
+- Add missing BR to python-mock
 
 * Mon Aug 19 2019 Miro Hrončok <mhroncok@redhat.com> - 0.6.8-5
 - Rebuilt for Python 3.8