diff --git a/src/GUI/qml/AdvancedSettingsToggle.qml b/src/GUI/qml/AdvancedSettingsToggle.qml
index 553cf1a9b..e0fb17399 100644
--- a/src/GUI/qml/AdvancedSettingsToggle.qml
+++ b/src/GUI/qml/AdvancedSettingsToggle.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Item {
diff --git a/src/GUI/qml/AircraftDetailsView.qml b/src/GUI/qml/AircraftDetailsView.qml
index 3f85a1a24..3ce106048 100644
--- a/src/GUI/qml/AircraftDetailsView.qml
+++ b/src/GUI/qml/AircraftDetailsView.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 import "."
 
diff --git a/src/GUI/qml/AircraftDownloadPanel.qml b/src/GUI/qml/AircraftDownloadPanel.qml
index e488b9c5a..6aeffb0e7 100644
--- a/src/GUI/qml/AircraftDownloadPanel.qml
+++ b/src/GUI/qml/AircraftDownloadPanel.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 import "." // -> forces the qmldir to be loaded
 
diff --git a/src/GUI/qml/AircraftFullDelegate.qml b/src/GUI/qml/AircraftFullDelegate.qml
index c88cde72b..218b37f94 100644
--- a/src/GUI/qml/AircraftFullDelegate.qml
+++ b/src/GUI/qml/AircraftFullDelegate.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 
 Item {
diff --git a/src/GUI/qml/AircraftPreviewPanel.qml b/src/GUI/qml/AircraftPreviewPanel.qml
index 445b2d757..969e66185 100644
--- a/src/GUI/qml/AircraftPreviewPanel.qml
+++ b/src/GUI/qml/AircraftPreviewPanel.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 
 Rectangle {
diff --git a/src/GUI/qml/AircraftRating.qml b/src/GUI/qml/AircraftRating.qml
index 08ec59d68..02fbde183 100644
--- a/src/GUI/qml/AircraftRating.qml
+++ b/src/GUI/qml/AircraftRating.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Item {
diff --git a/src/GUI/qml/AircraftVariantChoice.qml b/src/GUI/qml/AircraftVariantChoice.qml
index 96bd433aa..5ec401a11 100644
--- a/src/GUI/qml/AircraftVariantChoice.qml
+++ b/src/GUI/qml/AircraftVariantChoice.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import QtQuick.Window 2.0
 import "." // -> forces the qmldir to be loaded
 
diff --git a/src/GUI/qml/AircraftWarningPanel.qml b/src/GUI/qml/AircraftWarningPanel.qml
index fc88e2e10..1cfc9d41d 100644
--- a/src/GUI/qml/AircraftWarningPanel.qml
+++ b/src/GUI/qml/AircraftWarningPanel.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 
 Rectangle {
diff --git a/src/GUI/qml/ArrowButton.qml b/src/GUI/qml/ArrowButton.qml
index 3f6b7b914..c7260f86e 100644
--- a/src/GUI/qml/ArrowButton.qml
+++ b/src/GUI/qml/ArrowButton.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 
 Item {
     id: root
diff --git a/src/GUI/qml/Checkbox.qml b/src/GUI/qml/Checkbox.qml
index 30a8bb270..fb17da7ee 100644
--- a/src/GUI/qml/Checkbox.qml
+++ b/src/GUI/qml/Checkbox.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 
 Item {
     property bool checked: false
diff --git a/src/GUI/qml/ClickableText.qml b/src/GUI/qml/ClickableText.qml
index c817c3f54..dff111dfa 100644
--- a/src/GUI/qml/ClickableText.qml
+++ b/src/GUI/qml/ClickableText.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Text {
diff --git a/src/GUI/qml/DateTimeEdit.qml b/src/GUI/qml/DateTimeEdit.qml
index 8df687980..2005d2fc6 100644
--- a/src/GUI/qml/DateTimeEdit.qml
+++ b/src/GUI/qml/DateTimeEdit.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 FocusScope {
diff --git a/src/GUI/qml/Environment.qml b/src/GUI/qml/Environment.qml
index 919224c6b..d5e4f0e71 100644
--- a/src/GUI/qml/Environment.qml
+++ b/src/GUI/qml/Environment.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 import "."
 
diff --git a/src/GUI/qml/HistoryPopup.qml b/src/GUI/qml/HistoryPopup.qml
index 97e62b247..5530f5245 100644
--- a/src/GUI/qml/HistoryPopup.qml
+++ b/src/GUI/qml/HistoryPopup.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import QtQuick.Window 2.0
 import FlightGear.Launcher 1.0
 
diff --git a/src/GUI/qml/LauncherSettings.qml b/src/GUI/qml/LauncherSettings.qml
index feeac05d3..cd72ee3aa 100644
--- a/src/GUI/qml/LauncherSettings.qml
+++ b/src/GUI/qml/LauncherSettings.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 
 
diff --git a/src/GUI/qml/RatingSlider.qml b/src/GUI/qml/RatingSlider.qml
index deadcd0e5..2a2d3c90d 100644
--- a/src/GUI/qml/RatingSlider.qml
+++ b/src/GUI/qml/RatingSlider.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Slider {
diff --git a/src/GUI/qml/Scrollbar.qml b/src/GUI/qml/Scrollbar.qml
index 2956fa9eb..b63e86620 100644
--- a/src/GUI/qml/Scrollbar.qml
+++ b/src/GUI/qml/Scrollbar.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 
 Item
diff --git a/src/GUI/qml/SettingCheckbox.qml b/src/GUI/qml/SettingCheckbox.qml
index 3aa24bb69..0814f47a1 100644
--- a/src/GUI/qml/SettingCheckbox.qml
+++ b/src/GUI/qml/SettingCheckbox.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 SettingControl {
diff --git a/src/GUI/qml/SettingDescription.qml b/src/GUI/qml/SettingDescription.qml
index bee48db9e..57dec2515 100644
--- a/src/GUI/qml/SettingDescription.qml
+++ b/src/GUI/qml/SettingDescription.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Text {
diff --git a/src/GUI/qml/SettingExtraArguments.qml b/src/GUI/qml/SettingExtraArguments.qml
index 738b77920..77714efce 100644
--- a/src/GUI/qml/SettingExtraArguments.qml
+++ b/src/GUI/qml/SettingExtraArguments.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 import "."
 
diff --git a/src/GUI/qml/SettingLineEdit.qml b/src/GUI/qml/SettingLineEdit.qml
index e70601dcf..bcea7b5dd 100644
--- a/src/GUI/qml/SettingLineEdit.qml
+++ b/src/GUI/qml/SettingLineEdit.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.7
+import QtQuick 2.4
 import "."
 
 SettingControl {
diff --git a/src/GUI/qml/SettingsDateTimePicker.qml b/src/GUI/qml/SettingsDateTimePicker.qml
index 082594c3a..ae1235f68 100644
--- a/src/GUI/qml/SettingsDateTimePicker.qml
+++ b/src/GUI/qml/SettingsDateTimePicker.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 SettingControl {
diff --git a/src/GUI/qml/Slider.qml b/src/GUI/qml/Slider.qml
index 901f37f74..3dcfb1353 100644
--- a/src/GUI/qml/Slider.qml
+++ b/src/GUI/qml/Slider.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Item {
diff --git a/src/GUI/qml/Summary.qml b/src/GUI/qml/Summary.qml
index e22d00072..abeb0a1a8 100644
--- a/src/GUI/qml/Summary.qml
+++ b/src/GUI/qml/Summary.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import FlightGear.Launcher 1.0
 import "."
 
diff --git a/src/GUI/qml/TabButton.qml b/src/GUI/qml/TabButton.qml
index be5241d16..f09ecb644 100644
--- a/src/GUI/qml/TabButton.qml
+++ b/src/GUI/qml/TabButton.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 
 Rectangle {
     id: root
diff --git a/src/GUI/qml/ToggleSwitch.qml b/src/GUI/qml/ToggleSwitch.qml
index 5924037af..900309472 100644
--- a/src/GUI/qml/ToggleSwitch.qml
+++ b/src/GUI/qml/ToggleSwitch.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.0
+import QtQuick 2.4
 import "."
 
 Item {