diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index d560bd67354e709290302abf02dd4763af51d9df..f300c127cbb67b86953be5588a60dc282e999266 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -63,7 +63,7 @@ class MediaAttachment < ApplicationRecord
             convert_options: {
               output: {
                 'c:v' => 'libvpx',
-                'crf' => 6,
+                'crf' => 4,
                 'b:v' => '500K',
               },
             },