diff --git a/python-pyside6/python-pyside6.spec b/python-pyside6/python-pyside6.spec
index e4cda13..3611ebc 100644
--- a/python-pyside6/python-pyside6.spec
+++ b/python-pyside6/python-pyside6.spec
@@ -51,6 +51,7 @@ BuildRequires:  pkgconfig(libffi)
 BuildRequires:  pkgconfig(libxslt)
 BuildRequires:  cmake(Qt6Core)
 BuildRequires:  cmake(Qt6Gui)
+BuildRequires:  cmake(Qt6CorePrivate)
 BuildRequires:  cmake(Qt6Widgets)
 BuildRequires:  cmake(Qt6Network)
 BuildRequires:  cmake(Qt6DBus)