diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9bd0159..cfb87ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,7 +123,7 @@ include(BasicConfig)
 set(CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES
     "${CONFIGURATION_PACKAGE_SUFFIX}"
     CACHE STRING "sets the suffix for qtutilities")
-find_package(qtutilities${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES} 6.11.0 REQUIRED)
+find_package(qtutilities${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES} 6.12.0 REQUIRED)
 use_qt_utilities()
 
 # find passwordfile
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 9eaffbc..abc4a35 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -106,6 +106,19 @@ void MainWindow::setSomethingChanged(bool somethingChanged)
     }
 }
 
+/*!
+ * \brief Updates the style sheet.
+ */
+void MainWindow::updateStyleSheet()
+{
+#ifdef Q_OS_WINDOWS
+    const auto p = palette();
+    setStyleSheet(QStringLiteral("%1 #splitter QWidget { background-color: palette(base); color: palette(text); } #splitter QWidget *, #splitter "
+                                 "QWidget * { background-color: none; } #leftWidget { border-right: 1px solid %2; }")
+                      .arg(dialogStyleForPalette(p), windowFrameColorForPalette(p).name()));
+#endif
+}
+
 /*!
  * \brief Constructs a new main window.
  */
@@ -120,12 +133,9 @@ MainWindow::MainWindow(QSettings &settings, QtUtilities::QtSettings *qtSettings,
     , m_settingsDlg(nullptr)
 {
     // setup ui
+    updateStyleSheet();
     m_ui->setupUi(this);
-#ifdef Q_OS_WIN32
-    setStyleSheet(QStringLiteral("%1 #splitter QWidget { background-color: palette(base); color: palette(text); } #splitter QWidget *, #splitter "
-                                 "QWidget * { background-color: none; } #leftWidget { border-right: 1px solid %2; }")
-                      .arg(dialogStyle(), windowFrameColor().name()));
-#endif
+
     // set default values
     setSomethingChanged(false);
     m_dontUpdateSelection = false;
@@ -240,6 +250,17 @@ MainWindow::~MainWindow()
 {
 }
 
+bool MainWindow::event(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::PaletteChange:
+        updateStyleSheet();
+        break;
+    default:;
+    }
+    return QMainWindow::event(event);
+}
+
 bool MainWindow::eventFilter(QObject *obj, QEvent *event)
 {
     if (obj == m_undoView) {
diff --git a/gui/mainwindow.h b/gui/mainwindow.h
index b607ae2..a0e0e90 100644
--- a/gui/mainwindow.h
+++ b/gui/mainwindow.h
@@ -74,6 +74,7 @@ public:
     bool openFile(const QString &path, Io::PasswordFileOpenFlags openFlags); // can not be a slot in Qt 6 without further effort, see QTBUG-86424
 
 protected:
+    bool event(QEvent *event) override;
     bool eventFilter(QObject *obj, QEvent *event) override;
     void closeEvent(QCloseEvent *event) override;
     void timerEvent(QTimerEvent *event) override;
@@ -108,6 +109,7 @@ private Q_SLOTS:
     void clearClipboard();
     void setSomethingChanged();
     void setSomethingChanged(bool somethingChanged);
+    void updateStyleSheet();
 
 private:
     // showing conditional messages/prompts
diff --git a/gui/passwordgeneratordialog.cpp b/gui/passwordgeneratordialog.cpp
index 20dd422..2ed2e7c 100644
--- a/gui/passwordgeneratordialog.cpp
+++ b/gui/passwordgeneratordialog.cpp
@@ -43,11 +43,8 @@ PasswordGeneratorDialog::PasswordGeneratorDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::PasswordGeneratorDialog)
 {
+    updateStyleSheet();
     m_ui->setupUi(this);
-#ifdef Q_OS_WIN32
-    setStyleSheet(QStringLiteral("%1 QCommandLinkButton  { font-size: 12pt; color: %2; font-weight: normal; }")
-                      .arg(dialogStyle(), instructionTextColor().name()));
-#endif
     setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint);
 
     connect(m_ui->generatePassowordCommandLinkButton, &QCommandLinkButton::clicked, this, &PasswordGeneratorDialog::generateNewPassword);
@@ -75,6 +72,17 @@ PasswordGeneratorDialog::~PasswordGeneratorDialog()
 {
 }
 
+bool PasswordGeneratorDialog::event(QEvent *event)
+{
+    switch (event->type()) {
+    case QEvent::PaletteChange:
+        updateStyleSheet();
+        break;
+    default:;
+    }
+    return QDialog::event(event);
+}
+
 /*!
  * \brief Generates and shows a new password.
  */
@@ -162,6 +170,17 @@ void PasswordGeneratorDialog::handlePasswordChanged()
     m_ui->copyPasswordCommandLinkButton->setEnabled(m_ui->passwordLineEdit->text().size() > 0);
 }
 
+/*!
+ * \brief Updates the style sheet.
+ */
+void PasswordGeneratorDialog::updateStyleSheet()
+{
+#ifdef Q_OS_WINDOWS
+    setStyleSheet(QStringLiteral("%1 QCommandLinkButton  { font-size: 12pt; color: %2; font-weight: normal; }")
+                      .arg(dialogStyleForPalette(palette()), instructionTextColor().name()));
+#endif
+}
+
 #ifndef QT_NO_CLIPBOARD
 /*!
  * \brief Copies the current password to the clipboard.
diff --git a/gui/passwordgeneratordialog.h b/gui/passwordgeneratordialog.h
index 580b64c..8ecd901 100644
--- a/gui/passwordgeneratordialog.h
+++ b/gui/passwordgeneratordialog.h
@@ -21,10 +21,14 @@ public:
     explicit PasswordGeneratorDialog(QWidget *parent = nullptr);
     ~PasswordGeneratorDialog() override;
 
+protected:
+    bool event(QEvent *event) override;
+
 private Q_SLOTS:
     void generateNewPassword();
     void handleCheckedCategoriesChanged();
     void handlePasswordChanged();
+    void updateStyleSheet();
 #ifndef QT_NO_CLIPBOARD
     void copyPassword();
 #endif