diff --git a/src/core/framelessmanager.cpp b/src/core/framelessmanager.cpp
index a61b3aa..cd49c14 100644
--- a/src/core/framelessmanager.cpp
+++ b/src/core/framelessmanager.cpp
@@ -355,8 +355,8 @@ void FramelessManagerPrivate::initialize()
     QStyleHints * const styleHints = QGuiApplication::styleHints();
     Q_ASSERT(styleHints);
     if (styleHints) {
-        connect(styleHints, &QStyleHints::appearanceChanged, this, [this](const Qt::Appearance appearance){
-            Q_UNUSED(appearance);
+        connect(styleHints, &QStyleHints::colorSchemeChanged, this, [this](const Qt::ColorScheme colorScheme){
+            Q_UNUSED(colorScheme);
             notifySystemThemeHasChangedOrNot();
         });
     }
diff --git a/src/core/utils.cpp b/src/core/utils.cpp
index 6ae3aff..35316bc 100644
--- a/src/core/utils.cpp
+++ b/src/core/utils.cpp
@@ -282,7 +282,7 @@ QColor Utils::calculateSystemButtonBackgroundColor(const SystemButtonType button
 bool Utils::shouldAppsUseDarkMode()
 {
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))
-    return (QGuiApplication::styleHints()->appearance() == Qt::Appearance::Dark);
+    return (QGuiApplication::styleHints()->colorScheme() == Qt::ColorScheme::Dark);
 #elif ((QT_VERSION >= QT_VERSION_CHECK(6, 2, 1)) && !defined(FRAMELESSHELPER_CORE_NO_PRIVATE))
     if (const QPlatformTheme * const theme = QGuiApplicationPrivate::platformTheme()) {
         return (theme->appearance() == QPlatformTheme::Appearance::Dark);