--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@
 
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000 -DUSE_WIDGETS)
 
-find_package(Qt6 REQUIRED COMPONENTS BuildInternals Core Widgets OPTIONAL_COMPONENTS LinguistTools)
+find_package(Qt6 REQUIRED COMPONENTS BuildInternals Core Widgets GuiPrivate WidgetsPrivate OPTIONAL_COMPONENTS LinguistTools)
 
 get_target_property(QT_QTPATHS_EXECUTABLE Qt6::qtpaths IMPORTED_LOCATION)
 
--- a/src/qt6ct-qtplugin/qt6ctplatformtheme.h
+++ b/src/qt6ct-qtplugin/qt6ctplatformtheme.h
@@ -30,7 +30,7 @@
 #define QT6CTPLATFORMTHEME_H
 
 #include <qpa/qplatformtheme.h>
-#include <private/qgenericunixthemes_p.h>
+#include <private/qgenericunixtheme_p.h>
 #include <QObject>
 #include <QFont>
 #include <QPalette>