diff --git a/python-keyring.spec b/python-keyring.spec
index 4c5b1ef..6cd477d 100644
--- a/python-keyring.spec
+++ b/python-keyring.spec
@@ -65,6 +65,7 @@ Requires:       python-importlib-metadata >= 4.11.4
 %endif
 %if %{with test}
 BuildRequires:  %{python_module keyring = %{version}}
+BuildRequires:  %{python_module pyfakefs}
 BuildRequires:  %{python_module pytest >= 3.5}
 %endif
 %python_subpackages