diff --git a/TwitchDownloaderWPF/MainWindow.xaml.cs b/TwitchDownloaderWPF/MainWindow.xaml.cs
index bc7179d3..05876f92 100644
--- a/TwitchDownloaderWPF/MainWindow.xaml.cs
+++ b/TwitchDownloaderWPF/MainWindow.xaml.cs
@@ -99,7 +99,7 @@ private async void Window_Loaded(object sender, RoutedEventArgs e)
 #endif
 
             // TODO: extract FFmpeg handling to a dedicated service
-            if (!File.Exists("ffmpeg.exe"))
+            if (!File.Exists("ffmpeg.exe") || File.GetLastWriteTime("ffmpeg.exe") < DateTime.Now - TimeSpan.FromDays(365))
             {
                 var oldTitle = Title;
                 try