diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index 70619ae00..1d6fd591f 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -137,7 +137,7 @@ module Danbooru
 
     # Maximum size of an upload.
     def max_file_size
-      25.megabytes
+      30.megabytes
     end
 
     def member_comment_time_threshold