diff --git a/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml b/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
--- a/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
+++ b/applets/taskmanager/package/contents/ui/ToolTipDelegate.qml
@@ -20,7 +20,7 @@
 *   51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
 */
 
-import QtQuick 2.7
+import QtQuick 2.6
 import QtQuick.Layouts 1.1
 import QtGraphicalEffects 1.0
 import QtQml.Models 2.2
diff --git a/applets/taskmanager/package/contents/ui/ToolTipInstance.qml b/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
--- a/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
+++ b/applets/taskmanager/package/contents/ui/ToolTipInstance.qml
@@ -20,7 +20,7 @@
 *   51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
 */
 
-import QtQuick 2.7
+import QtQuick 2.6
 import QtQuick.Layouts 1.1
 import QtGraphicalEffects 1.0
 import QtQml.Models 2.2