diff --git a/python-ring-doorbell.spec b/python-ring-doorbell.spec
index 6a09f6a..233de01 100644
--- a/python-ring-doorbell.spec
+++ b/python-ring-doorbell.spec
@@ -24,6 +24,7 @@ BuildRequires:  python3dist(requests)
 BuildRequires:  python3dist(requests-oauthlib)
 BuildRequires:  python3dist(setuptools)
 BuildRequires:  python3dist(pytest)
+BuildRequires:  python3dist(requests-mock)
 %{?python_provide:%python_provide python3-%{pypi_name}}
 
 %description -n python3-%{pypi_name}