Update all QtQuick imports in src/imports/controls

Most were importing 2.6, some 2.4, and some 2.7. Use consistently
the latest available Qt Quick version 2.8. This can be easily
tracked to the corresponding Qt version.

Change-Id: Ic231b3cc0cb5d2d5cf806fe11c4ff3fd557d09e0
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

50 files changed, 50 insertions, 50 deletions

diff --git a/src/imports/controls/material/ApplicationWindow.qml b/src/imports/controls/material/ApplicationWindow.qml
index 0514e5e3..0a6b71a3 100644
--- a/src/imports/controls/material/ApplicationWindow.qml
+++ b/src/imports/controls/material/ApplicationWindow.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Window 2.2
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
diff --git a/src/imports/controls/material/BoxShadow.qml b/src/imports/controls/material/BoxShadow.qml
index 02950a60..4809838e 100644
--- a/src/imports/controls/material/BoxShadow.qml
+++ b/src/imports/controls/material/BoxShadow.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/BusyIndicator.qml b/src/imports/controls/material/BusyIndicator.qml
index c2851b91..3077ceb7 100644
--- a/src/imports/controls/material/BusyIndicator.qml
+++ b/src/imports/controls/material/BusyIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/Button.qml b/src/imports/controls/material/Button.qml
index 57cd44e6..971992ab 100644
--- a/src/imports/controls/material/Button.qml
+++ b/src/imports/controls/material/Button.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/CheckBox.qml b/src/imports/controls/material/CheckBox.qml
index 290dbe55..60b23004 100644
--- a/src/imports/controls/material/CheckBox.qml
+++ b/src/imports/controls/material/CheckBox.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/CheckDelegate.qml b/src/imports/controls/material/CheckDelegate.qml
index 99b24f09..c932b69e 100644
--- a/src/imports/controls/material/CheckDelegate.qml
+++ b/src/imports/controls/material/CheckDelegate.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/CheckIndicator.qml b/src/imports/controls/material/CheckIndicator.qml
index a373bdb8..afc19bc2 100644
--- a/src/imports/controls/material/CheckIndicator.qml
+++ b/src/imports/controls/material/CheckIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/ComboBox.qml b/src/imports/controls/material/ComboBox.qml
index 7376aecc..6847ba6a 100644
--- a/src/imports/controls/material/ComboBox.qml
+++ b/src/imports/controls/material/ComboBox.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Window 2.2
 import QtQuick.Controls 2.1
 import QtQuick.Templates 2.1 as T
diff --git a/src/imports/controls/material/Dial.qml b/src/imports/controls/material/Dial.qml
index 7fbf351c..9f5d88c3 100644
--- a/src/imports/controls/material/Dial.qml
+++ b/src/imports/controls/material/Dial.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/Dialog.qml b/src/imports/controls/material/Dialog.qml
index 8141eb8c..58bbe99e 100644
--- a/src/imports/controls/material/Dialog.qml
+++ b/src/imports/controls/material/Dialog.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls 2.1
 import QtQuick.Controls.Material 2.1
diff --git a/src/imports/controls/material/DialogButtonBox.qml b/src/imports/controls/material/DialogButtonBox.qml
index 46a2b3ba..312aa4eb 100644
--- a/src/imports/controls/material/DialogButtonBox.qml
+++ b/src/imports/controls/material/DialogButtonBox.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/Drawer.qml b/src/imports/controls/material/Drawer.qml
index d6603b04..a4b2e3bc 100644
--- a/src/imports/controls/material/Drawer.qml
+++ b/src/imports/controls/material/Drawer.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ElevationEffect.qml b/src/imports/controls/material/ElevationEffect.qml
index 00d7b997..3cf6623c 100644
--- a/src/imports/controls/material/ElevationEffect.qml
+++ b/src/imports/controls/material/ElevationEffect.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/Frame.qml b/src/imports/controls/material/Frame.qml
index 45b8b263..08c01353 100644
--- a/src/imports/controls/material/Frame.qml
+++ b/src/imports/controls/material/Frame.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/GroupBox.qml b/src/imports/controls/material/GroupBox.qml
index 945c5a8c..afd1c8d1 100644
--- a/src/imports/controls/material/GroupBox.qml
+++ b/src/imports/controls/material/GroupBox.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ItemDelegate.qml b/src/imports/controls/material/ItemDelegate.qml
index 647c3147..ec03b129 100644
--- a/src/imports/controls/material/ItemDelegate.qml
+++ b/src/imports/controls/material/ItemDelegate.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/Label.qml b/src/imports/controls/material/Label.qml
index 3a69207f..f4e12813 100644
--- a/src/imports/controls/material/Label.qml
+++ b/src/imports/controls/material/Label.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/Menu.qml b/src/imports/controls/material/Menu.qml
index ed21dc46..7fe6af0e 100644
--- a/src/imports/controls/material/Menu.qml
+++ b/src/imports/controls/material/Menu.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls 2.1
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
diff --git a/src/imports/controls/material/MenuItem.qml b/src/imports/controls/material/MenuItem.qml
index d3348d35..09a9909c 100644
--- a/src/imports/controls/material/MenuItem.qml
+++ b/src/imports/controls/material/MenuItem.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/MenuSeparator.qml b/src/imports/controls/material/MenuSeparator.qml
index c6ba401f..76cac31b 100644
--- a/src/imports/controls/material/MenuSeparator.qml
+++ b/src/imports/controls/material/MenuSeparator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/Page.qml b/src/imports/controls/material/Page.qml
index 887a139d..ec343d04 100644
--- a/src/imports/controls/material/Page.qml
+++ b/src/imports/controls/material/Page.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/PageIndicator.qml b/src/imports/controls/material/PageIndicator.qml
index d413adcc..7378dbbf 100644
--- a/src/imports/controls/material/PageIndicator.qml
+++ b/src/imports/controls/material/PageIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/Pane.qml b/src/imports/controls/material/Pane.qml
index 95e0a8c2..4aedbd40 100644
--- a/src/imports/controls/material/Pane.qml
+++ b/src/imports/controls/material/Pane.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/Popup.qml b/src/imports/controls/material/Popup.qml
index 2654aaf4..01b3951a 100644
--- a/src/imports/controls/material/Popup.qml
+++ b/src/imports/controls/material/Popup.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ProgressBar.qml b/src/imports/controls/material/ProgressBar.qml
index fa7867e6..2b78be49 100644
--- a/src/imports/controls/material/ProgressBar.qml
+++ b/src/imports/controls/material/ProgressBar.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/RadioButton.qml b/src/imports/controls/material/RadioButton.qml
index a2450f49..c3afbfd9 100644
--- a/src/imports/controls/material/RadioButton.qml
+++ b/src/imports/controls/material/RadioButton.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/RadioDelegate.qml b/src/imports/controls/material/RadioDelegate.qml
index d1fa5e0e..150d72ae 100644
--- a/src/imports/controls/material/RadioDelegate.qml
+++ b/src/imports/controls/material/RadioDelegate.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/RadioIndicator.qml b/src/imports/controls/material/RadioIndicator.qml
index 2a2fabe4..b1e19656 100644
--- a/src/imports/controls/material/RadioIndicator.qml
+++ b/src/imports/controls/material/RadioIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/RangeSlider.qml b/src/imports/controls/material/RangeSlider.qml
index c2672703..641c00f1 100644
--- a/src/imports/controls/material/RangeSlider.qml
+++ b/src/imports/controls/material/RangeSlider.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/RoundButton.qml b/src/imports/controls/material/RoundButton.qml
index 57f30e30..c020db74 100644
--- a/src/imports/controls/material/RoundButton.qml
+++ b/src/imports/controls/material/RoundButton.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ScrollBar.qml b/src/imports/controls/material/ScrollBar.qml
index 4547a903..afc30723 100644
--- a/src/imports/controls/material/ScrollBar.qml
+++ b/src/imports/controls/material/ScrollBar.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/ScrollIndicator.qml b/src/imports/controls/material/ScrollIndicator.qml
index 1e0fd8ff..3b1dd2c3 100644
--- a/src/imports/controls/material/ScrollIndicator.qml
+++ b/src/imports/controls/material/ScrollIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/Slider.qml b/src/imports/controls/material/Slider.qml
index dd6063bb..1c915b32 100644
--- a/src/imports/controls/material/Slider.qml
+++ b/src/imports/controls/material/Slider.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/SliderHandle.qml b/src/imports/controls/material/SliderHandle.qml
index 1c02cf16..ba6260e9 100644
--- a/src/imports/controls/material/SliderHandle.qml
+++ b/src/imports/controls/material/SliderHandle.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/SpinBox.qml b/src/imports/controls/material/SpinBox.qml
index 74811c16..4058077b 100644
--- a/src/imports/controls/material/SpinBox.qml
+++ b/src/imports/controls/material/SpinBox.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/StackView.qml b/src/imports/controls/material/StackView.qml
index dcbe0ad0..916e910f 100644
--- a/src/imports/controls/material/StackView.qml
+++ b/src/imports/controls/material/StackView.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.4
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 
 T.StackView {
diff --git a/src/imports/controls/material/SwipeDelegate.qml b/src/imports/controls/material/SwipeDelegate.qml
index 329322e2..6f614833 100644
--- a/src/imports/controls/material/SwipeDelegate.qml
+++ b/src/imports/controls/material/SwipeDelegate.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/SwipeView.qml b/src/imports/controls/material/SwipeView.qml
index 0cdd0758..3ac373d5 100644
--- a/src/imports/controls/material/SwipeView.qml
+++ b/src/imports/controls/material/SwipeView.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 
 T.SwipeView {
diff --git a/src/imports/controls/material/Switch.qml b/src/imports/controls/material/Switch.qml
index 32f083f8..b833fbbf 100644
--- a/src/imports/controls/material/Switch.qml
+++ b/src/imports/controls/material/Switch.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 import QtQuick.Templates 2.1 as T
diff --git a/src/imports/controls/material/SwitchDelegate.qml b/src/imports/controls/material/SwitchDelegate.qml
index 2134cfd1..da084168 100644
--- a/src/imports/controls/material/SwitchDelegate.qml
+++ b/src/imports/controls/material/SwitchDelegate.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/SwitchIndicator.qml b/src/imports/controls/material/SwitchIndicator.qml
index 114c3956..c59e6ac2 100644
--- a/src/imports/controls/material/SwitchIndicator.qml
+++ b/src/imports/controls/material/SwitchIndicator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
 
diff --git a/src/imports/controls/material/TabBar.qml b/src/imports/controls/material/TabBar.qml
index 5b2c8888..1c3b5c0c 100644
--- a/src/imports/controls/material/TabBar.qml
+++ b/src/imports/controls/material/TabBar.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.7
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/TabButton.qml b/src/imports/controls/material/TabButton.qml
index b2106626..0fb16e63 100644
--- a/src/imports/controls/material/TabButton.qml
+++ b/src/imports/controls/material/TabButton.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/TextArea.qml b/src/imports/controls/material/TextArea.qml
index 3a95600e..f8734ad1 100644
--- a/src/imports/controls/material/TextArea.qml
+++ b/src/imports/controls/material/TextArea.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/TextField.qml b/src/imports/controls/material/TextField.qml
index 25811322..a8eae1e2 100644
--- a/src/imports/controls/material/TextField.qml
+++ b/src/imports/controls/material/TextField.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/ToolBar.qml b/src/imports/controls/material/ToolBar.qml
index ac6e8bf3..38acf43e 100644
--- a/src/imports/controls/material/ToolBar.qml
+++ b/src/imports/controls/material/ToolBar.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ToolButton.qml b/src/imports/controls/material/ToolButton.qml
index 6105d1e7..dbeb7a05 100644
--- a/src/imports/controls/material/ToolButton.qml
+++ b/src/imports/controls/material/ToolButton.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 import QtQuick.Controls.Material.impl 2.1
diff --git a/src/imports/controls/material/ToolSeparator.qml b/src/imports/controls/material/ToolSeparator.qml
index f48fffd4..c241750a 100644
--- a/src/imports/controls/material/ToolSeparator.qml
+++ b/src/imports/controls/material/ToolSeparator.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/ToolTip.qml b/src/imports/controls/material/ToolTip.qml
index d055bae6..455f79c6 100644
--- a/src/imports/controls/material/ToolTip.qml
+++ b/src/imports/controls/material/ToolTip.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Templates 2.1 as T
 import QtQuick.Controls.Material 2.1
 
diff --git a/src/imports/controls/material/Tumbler.qml b/src/imports/controls/material/Tumbler.qml
index 255d4b5d..88750855 100644
--- a/src/imports/controls/material/Tumbler.qml
+++ b/src/imports/controls/material/Tumbler.qml
@@ -34,7 +34,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 2.6
+import QtQuick 2.8
 import QtQuick.Controls 2.1
 import QtQuick.Controls.impl 2.1
 import QtQuick.Templates 2.1 as T