diff --git a/src/Update/AnimatedGifWindow.cs b/src/Update/AnimatedGifWindow.cs
index ee718ea96..b133cca89 100644
--- a/src/Update/AnimatedGifWindow.cs
+++ b/src/Update/AnimatedGifWindow.cs
@@ -1,19 +1,15 @@
 #if !MONO
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Reflection;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Effects;
 using System.Windows.Media.Imaging;
 using System.Windows.Shell;
-using System.Windows.Threading;
 using WpfAnimatedGif;
 
 namespace Squirrel.Update
@@ -89,6 +85,12 @@ public static void ShowWindow(TimeSpan initialDelay, CancellationToken token, Pr
             thread.SetApartmentState(ApartmentState.STA);
             thread.Start();
         }
+
+        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
+        {
+            base.OnMouseLeftButtonDown(e);
+            this.DragMove();
+        }
     }
 }