diff --git a/src/skey-challenge.ui b/src/skey-challenge.ui
index cc5f2e5..afb3fd9 100644
--- a/src/skey-challenge.ui
+++ b/src/skey-challenge.ui
@@ -1,178 +1,164 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.0 -->
 <!--*- mode: xml -*-->
 <interface>
+  <requires lib="gtk+" version="3.14"/>
+  <!-- interface-license-type gplv3 -->
+  <!-- interface-name mate-terminal -->
+  <!-- interface-description skey-challenge -->
+  <!-- interface-copyright MATE Developer -->
+  <!-- interface-authors Wolfgang Ulbrich -->
   <object class="GtkDialog" id="skey-dialog">
+    <property name="can_focus">False</property>
     <property name="border_width">5</property>
-    <property name="title" translatable="yes"/>
-    <property name="type">GTK_WINDOW_TOPLEVEL</property>
-    <property name="window_position">GTK_WIN_POS_NONE</property>
-    <property name="modal">False</property>
     <property name="resizable">False</property>
     <property name="destroy_with_parent">True</property>
-    <property name="decorated">True</property>
-    <property name="skip_taskbar_hint">False</property>
-    <property name="skip_pager_hint">False</property>
-    <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
-    <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
-    <property name="focus_on_map">True</property>
-    <property name="urgency_hint">False</property>
+    <property name="type_hint">dialog</property>
     <child internal-child="vbox">
-      <object class="GtkVBox" id="dialog-vbox4">
+      <object class="GtkBox" id="dialog-vbox4">
         <property name="visible">True</property>
-        <property name="homogeneous">False</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area4">
+          <object class="GtkButtonBox" id="dialog-action_area4">
             <property name="visible">True</property>
-            <property name="layout_style">GTK_BUTTONBOX_END</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
             <child>
               <object class="GtkButton" id="cancelbutton1">
-                <property name="visible">True</property>
-                <property name="can_default">True</property>
-                <property name="can_focus">True</property>
                 <property name="label">gtk-cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
                 <property name="use_stock">True</property>
-                <property name="relief">GTK_RELIEF_NORMAL</property>
-                <property name="focus_on_click">True</property>
               </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
             </child>
             <child>
               <object class="GtkButton" id="skey-ok-button">
+                <property name="label">gtk-ok</property>
                 <property name="visible">True</property>
+                <property name="can_focus">True</property>
                 <property name="can_default">True</property>
                 <property name="has_default">True</property>
-                <property name="can_focus">True</property>
-                <property name="label">gtk-ok</property>
+                <property name="receives_default">False</property>
                 <property name="use_stock">True</property>
-                <property name="relief">GTK_RELIEF_NORMAL</property>
-                <property name="focus_on_click">True</property>
               </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
             </child>
           </object>
           <packing>
-            <property name="padding">0</property>
             <property name="expand">False</property>
             <property name="fill">True</property>
-            <property name="pack_type">GTK_PACK_END</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
           </packing>
         </child>
         <child>
-          <object class="GtkHBox" id="hbox4">
-            <property name="border_width">5</property>
+          <object class="GtkBox" id="hbox4">
             <property name="visible">True</property>
-            <property name="homogeneous">False</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">5</property>
             <property name="spacing">12</property>
             <child>
               <object class="GtkImage" id="skey-image">
                 <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="halign">center</property>
+                <property name="valign">start</property>
                 <property name="stock">gtk-dialog-authentication</property>
                 <property name="icon_size">6</property>
-                <property name="xalign">0.5</property>
-                <property name="yalign">0</property>
-                <property name="xpad">0</property>
-                <property name="ypad">0</property>
               </object>
               <packing>
-                <property name="padding">0</property>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
+                <property name="position">0</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox6">
+              <object class="GtkBox" id="vbox6">
                 <property name="visible">True</property>
-                <property name="homogeneous">False</property>
+                <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="spacing">12</property>
                 <child>
                   <object class="GtkLabel" id="text-label">
                     <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="halign">start</property>
+                    <property name="valign">center</property>
                     <property name="label" translatable="yes">S/Key Challenge Response</property>
-                    <property name="use_underline">False</property>
                     <property name="use_markup">True</property>
-                    <property name="justify">GTK_JUSTIFY_LEFT</property>
-                    <property name="wrap">False</property>
-                    <property name="selectable">False</property>
-                    <property name="xalign">0</property>
-                    <property name="yalign">0.5</property>
-                    <property name="xpad">0</property>
-                    <property name="ypad">0</property>
-                    <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
-                    <property name="width_chars">-1</property>
-                    <property name="single_line_mode">False</property>
-                    <property name="angle">0</property>
                   </object>
                   <packing>
-                    <property name="padding">0</property>
                     <property name="expand">False</property>
                     <property name="fill">False</property>
+                    <property name="position">0</property>
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkHBox" id="hbox5">
+                  <object class="GtkBox" id="hbox5">
                     <property name="visible">True</property>
-                    <property name="homogeneous">False</property>
+                    <property name="can_focus">False</property>
                     <property name="spacing">12</property>
                     <child>
                       <object class="GtkLabel" id="label62">
                         <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="halign">start</property>
+                        <property name="valign">center</property>
                         <property name="label" translatable="yes">_Password:</property>
                         <property name="use_underline">True</property>
-                        <property name="use_markup">False</property>
-                        <property name="justify">GTK_JUSTIFY_LEFT</property>
-                        <property name="wrap">False</property>
-                        <property name="selectable">False</property>
-                        <property name="xalign">0</property>
-                        <property name="yalign">0.5</property>
-                        <property name="xpad">0</property>
-                        <property name="ypad">0</property>
                         <property name="mnemonic_widget">skey-entry</property>
-                        <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
-                        <property name="width_chars">-1</property>
-                        <property name="single_line_mode">False</property>
-                        <property name="angle">0</property>
                       </object>
                       <packing>
-                        <property name="padding">0</property>
                         <property name="expand">False</property>
                         <property name="fill">False</property>
+                        <property name="position">0</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkEntry" id="skey-entry">
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
-                        <property name="editable">True</property>
                         <property name="visibility">False</property>
-                        <property name="max_length">0</property>
-                        <property name="text" translatable="yes"/>
-                        <property name="has_frame">True</property>
                         <property name="activates_default">True</property>
                       </object>
                       <packing>
-                        <property name="padding">0</property>
                         <property name="expand">True</property>
                         <property name="fill">True</property>
+                        <property name="position">1</property>
                       </packing>
                     </child>
                   </object>
                   <packing>
-                    <property name="padding">0</property>
                     <property name="expand">False</property>
                     <property name="fill">True</property>
+                    <property name="position">1</property>
                   </packing>
                 </child>
               </object>
               <packing>
-                <property name="padding">0</property>
                 <property name="expand">True</property>
                 <property name="fill">True</property>
+                <property name="position">1</property>
               </packing>
             </child>
           </object>
           <packing>
-            <property name="padding">0</property>
             <property name="expand">True</property>
             <property name="fill">True</property>
+            <property name="position">1</property>
           </packing>
         </child>
       </object>