diff --git a/ROMSIMMFlasher.pro b/ROMSIMMFlasher.pro
index e83b39a..aaf9fc7 100644
--- a/ROMSIMMFlasher.pro
+++ b/ROMSIMMFlasher.pro
@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += core gui
+QT       += core gui widgets
 
 TARGET = SIMMProgrammer
 TEMPLATE = app
diff --git a/main.cpp b/main.cpp
index c58e6fa..d9f8fe2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -17,7 +17,7 @@
  *
  */
 
-#include <QtGui/QApplication>
+#include <QtWidgets>
 #include "mainwindow.h"
 
 int main(int argc, char *argv[])