diff --git a/app/uploaders/banner_image_uploader.rb b/app/uploaders/banner_image_uploader.rb
index 2f7500c..2b3e6c2 100644
--- a/app/uploaders/banner_image_uploader.rb
+++ b/app/uploaders/banner_image_uploader.rb
@@ -8,7 +8,7 @@ class BannerImageUploader < Shrine
 
     {
       banner: magick.resize_to_fill!(1600, 400),
-      thumbnail:  magick.resize_to_fill!(240, 240, gravity: "south-west"),
+      thumbnail:  magick.resize_to_fill!(360, 360, gravity: "south-west"),
     }
   end
 end