diff --git a/README.md b/README.md
index 827cd8642bd3ac88fcad601f7ed69b7d258f16c8..54e5b2154fa00d42a09a412d8b208fcbd59fb4fb 100644
--- a/README.md
+++ b/README.md
@@ -51,28 +51,25 @@ Supported builds are 64 bit, built using the clang compiler.
 
 #### Install QT
 - - -
-1. Download Qt 5.3 from: <http://download.qt-project.org/official_releases/qt/5.3/5.3.1/qt-opensource-mac-x64-clang-5.3.1.dmg>
+1. Download Qt 5.4 from: <http://download.qt-project.org/official_releases/qt/5.4/5.4.0/qt-opensource-mac-x64-clang-5.4.0.dmg>
 2. Double click the package installer and follow instructions.
 
 #### Build QGroundControl
 1. From the terminal change directory to your `groundcontrol` directory
-2. Run `~/Qt5.3.1/5.3/clang_64/bin/qmake qgroundcontrol.pro -r -spec macx-clang`. If you installed a different version of Qt, or installed to a different location you may need to change the first portion of the path.
+2. Run `~/Qt/5.4/clang_64/bin/qmake qgroundcontrol.pro -r -spec macx-clang`. If you installed a different version of Qt, or installed to a different location you may need to change the first portion of the path.
 3. Run `make`
 
 ### Build on Linux
 Supported builds for Linux are 32 or 64-bit, built using gcc.
 
-#### Install Qt5.3+ and SDL1.2 prerequistites
-* For Ubuntu (requires 14.10 for Qt5.3): `sudo apt-get install qtcreator qttools5-dev qtbase5-dev qt5-default qtdeclarative5-dev libqt5serialport5-dev libqt5svg5-dev libqt5webkit5-dev libsdl1.2-dev build-essential libudev-dev qml-module-qtgraphicaleffects`
+#### Install Qt5.4 and SDL1.2 prerequistites
 * For Fedora: `sudo yum install qt-creator qt5-qtbase-devel qt5-qtdeclarative-devel qt5-qtserialport-devel qt5-qtsvg-devel qt5-qtwebkit-devel SDL-devel SDL-static systemd-devel`
 * For Arch Linux: `pacman -Sy qtcreator qt5-base qt5-declarative qt5-serialport qt5-svg qt5-webkit`
-
-##### Install Qt5.3+ from PPA
-Note: Please be aware that the time of writing, Qt5.3 is unavailable in the official repositories Ubuntu 14.04/Mint 17.*. If it has become available since, please follow the instructions for installing Qt5.3 on Ubuntu.
-* Add this PPA to your sources.list: `ppa:beineri/opt-qt532-trusty`
-* Run the following in your terminal: `sudo apt-get update && sudo apt-get install qt53tools qt53base qt53declarative qt53serialport qt53svg qt53webkit qt53quickcontrols qt53graphicaleffects`
-* Next, set the environment variables by executing in the terminal: `source /opt/qt53/bin/qt53-env.sh` or copy and paste the contents to your `~/.profile` file to set them on login.
-* Verify that the variables have been set: `echo $PATH && echo $QTDIR`. The output should read `/opt/qt53/bin:...` and `/opt/qt53`.
+* For Ubuntu: Please be aware that the time of writing, Qt5.4 is unavailable in the official repositories Ubuntu 14.04/Mint 17.*.
+    * Add this PPA to your sources.list: `ppa:beineri/opt-qt54-trusty`
+    * Run the following in your terminal: `sudo apt-get update && sudo apt-get install qt54tools qt54base qt54declarative qt54serialport qt54svg qt54webkit qt54quickcontrols qt54xmlpatterns qt54x11extras qt54websockets qt54sensors qt54script qt54quick1 qt54qbs qt54multimedia qt54location qt54imageformats qt54graphicaleffects qt54creator qt54connectivity`
+    * Next, set the environment variables by executing in the terminal: `source /opt/qt53/bin/qt53-env.sh` or copy and paste the contents to your `~/.profile` file to set them on login.
+    * Verify that the variables have been set: `echo $PATH && echo $QTDIR`. The output should read `/opt/qt53/bin:...` and `/opt/qt53`.
 
 #### [Optional] Install additional libraries
 * For text-to-speech (espeak)
@@ -95,8 +92,8 @@ Supported builds for Windows are 32 bit only built using Visual Studio 2013 or h
 #### Install Visual Studio Express 2013
 Only compilation using Visual Studio 2013 is supported. Download and install Visual Studio Express Edition (free) from here: <http://www.visualstudio.com/downloads/download-visual-studio-vs#d-express-windows-desktop>. Make sure you install the Windows Desktop version.
 
-#### Install QT
-Download Qt 5.3 from here: <http://download.qt-project.org/official_releases/qt/5.3/5.3.2/qt-opensource-windows-x86-msvc2013_opengl-5.3.2.exe>
+#### Install Qt5.4
+Download Qt 5.4 from here: <http://download.qt-project.org/official_releases/qt/5.4/5.4.0/qt-opensource-windows-x86-msvc2013_opengl-5.4.0.exe>
   * The Qt variant should be for VS 2013, 32 bit (not 64) and include opengl.
 
 #### Build QGroundControl
diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index c586014d20375cc74a39920007e3fda7eb158f97..8d4e80c4c139a1a2f3fa4b0bb3d7618bd039f5f4 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -29,8 +29,8 @@ exists(user_config.pri):infile(user_config.pri, CONFIG) {
 # to allow us to easily modify suported build types in one place instead of duplicated throughout
 # the project file.
 
-!equals(QT_MAJOR_VERSION, 5) | !greaterThan(QT_MINOR_VERSION, 1) {
-    error("Unsupported Qt version, 5.2+ is required")
+!equals(QT_MAJOR_VERSION, 5) | !greaterThan(QT_MINOR_VERSION, 3) {
+    error("Unsupported Qt version, 5.4+ is required")
 }
 
 linux {
@@ -117,8 +117,8 @@ QT += network \
     serialport \
     sql \
     printsupport \
-    quick \
-    quickwidgets
+    qml \
+    quick
 
 contains(DEFINES, QGC_NOTIFY_TUNES_ENABLED) {
     QT += multimedia