diff --git a/README b/README
index e404c76..77f926a 100644
--- a/README
+++ b/README
@@ -3,7 +3,7 @@ SWipe is an application for reading magnetic stripe cards over an audio port.
 Requirements:
  - A hardware audio dongle to read the cards, such as those provided by Square
    for their payment service.
- - Qt 4.6 or later (including Qt Multimedia plugin)
+ - Qt 5.5
 
 It has been confirmed to run on Linux, Windows and OS X.
 
diff --git a/SWipe.pro b/SWipe.pro
index 92df65b..be38b91 100644
--- a/SWipe.pro
+++ b/SWipe.pro
@@ -4,7 +4,8 @@
 #
 #-------------------------------------------------
 
-QT       += core gui multimedia
+QT += core gui multimedia
+QT += widgets
 
 TARGET = SWipe
 TEMPLATE = app
diff --git a/magcard.h b/magcard.h
index e79ecde..2eacf73 100644
--- a/magcard.h
+++ b/magcard.h
@@ -73,13 +73,13 @@ class MagCard {
                         accountNumber.clear();
                         accountHolder.clear();
                         accountIssuer.clear();
-                        expirationDate = QDate::QDate();
+                        expirationDate = QDate();
                         miscData.clear();
                         accountValid = false;
                         aamvaIssuer.clear();
                         aamvaIssuerName.clear();
                         aamvaIssuerAbr.clear();
-                        aamvaBirthday = QDate::QDate();
+                        aamvaBirthday = QDate();
                         aamvaAge = 0;
                 }
 
diff --git a/main.cpp b/main.cpp
index 6816a5e..d45fef5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,5 @@
-#include <QtGui/QApplication>
+//#include <QtGui/QApplication>
+#include <QtWidgets/QApplication>
 #include "swipe.h"
 
 int main(int argc, char *argv[])
diff --git a/swipe.cpp b/swipe.cpp
index 6847424..8d51ee3 100644
--- a/swipe.cpp
+++ b/swipe.cpp
@@ -5,8 +5,8 @@
 SWipe::SWipe(QWidget *parent) : QMainWindow(parent) {
 	captureAudio = false;
 
-	audioFormat.setFrequency( 48000 );
-	audioFormat.setChannels( 1 );
+    audioFormat.setSampleRate( 48000 );
+    audioFormat.setChannelCount( 1 );
 	audioFormat.setSampleSize( 16 );
 	audioFormat.setCodec( "audio/pcm" );
 	audioFormat.setByteOrder( QAudioFormat::LittleEndian );
diff --git a/swipe.h b/swipe.h
index d8632ef..0a94836 100644
--- a/swipe.h
+++ b/swipe.h
@@ -1,7 +1,7 @@
 #ifndef MAGSTRIPE_H
 #define MAGSTRIPE_H
 
-#include <QtGui/QMainWindow>
+#include <QtWidgets/QMainWindow>
 #include <QLabel>
 #include <QPushButton>
 #include <QVBoxLayout>