diff --git a/python-contourpy.spec b/python-contourpy.spec
index 817b3df..331eabd 100644
--- a/python-contourpy.spec
+++ b/python-contourpy.spec
@@ -50,6 +50,7 @@ BuildRequires:  %{python_module contourpy = %{version}}
 BuildRequires:  %{python_module matplotlib}
 BuildRequires:  %{python_module numpy >= 1.16}
 BuildRequires:  %{python_module pytest}
+BuildRequires:  %{python_module wurlitzer}
 %endif
 %python_subpackages