diff --git a/python-Werkzeug.spec b/python-Werkzeug.spec
index cc8d6b6..2e359d2 100644
--- a/python-Werkzeug.spec
+++ b/python-Werkzeug.spec
@@ -46,7 +46,7 @@ BuildRequires:  %{python_module Werkzeug}
 BuildRequires:  %{python_module cryptography}
 BuildRequires:  %{python_module ephemeral-port-reserve}
 BuildRequires:  %{python_module hypothesis}
-BuildRequires:  %{python_module markupsafe}
+BuildRequires:  %{python_module MarkupSafe}
 BuildRequires:  %{python_module pytest >= 6.2.4}
 BuildRequires:  %{python_module pytest-timeout}
 BuildRequires:  %{python_module pytest-xprocess}