diff --git a/python-ini2toml.spec b/python-ini2toml.spec
index 217d052..ca19a40 100644
--- a/python-ini2toml.spec
+++ b/python-ini2toml.spec
@@ -64,7 +64,7 @@ Requires:       python-packaging >= 20.7
 Requires(post): update-alternatives
 Requires(postun):update-alternatives
 %if %{with test}
-BuildRequires:  %{python_module configupdater}
+BuildRequires:  %{python_module ConfigUpdater}
 BuildRequires:  %{python_module packaging >= 20.7}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module validate-pyproject >= 0.6 with %python-validate-pyproject < 2}