diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53b391d..ecfae6b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ set(META_APP_DESCRIPTION
     "Common Qt related C++ classes and routines used by my applications such as dialogs, widgets and models")
 set(META_VERSION_MAJOR 6)
 set(META_VERSION_MINOR 4)
-set(META_VERSION_PATCH 0)
+set(META_VERSION_PATCH 1)
 set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH})
 
 project(${META_PROJECT_NAME})
diff --git a/aboutdialog/aboutdialog.cpp b/aboutdialog/aboutdialog.cpp
index 52bc0a8..2a3280d 100644
--- a/aboutdialog/aboutdialog.cpp
+++ b/aboutdialog/aboutdialog.cpp
@@ -45,7 +45,7 @@ AboutDialog::AboutDialog(QWidget *parent, const QString &applicationName, const
     m_ui->setupUi(this);
     makeHeading(m_ui->productNameLabel);
     setStyleSheet(dialogStyle());
-    setWindowFlags(Qt::Tool);
+    setWindowFlags((windowFlags()) & ~(Qt::WindowMinMaxButtonsHint | Qt::WindowContextHelpButtonHint | Qt::WindowFullscreenButtonHint));
     if (!applicationName.isEmpty()) {
         m_ui->productNameLabel->setText(applicationName);
     } else if (!QApplication::applicationDisplayName().isEmpty()) {