1 files changed, 6 insertions, 0 deletions
diff --git a/activestorage/lib/active_storage/engine.rb b/activestorage/lib/active_storage/engine.rb
index 384e6ebfa6..cbb205627e 100644
--- a/activestorage/lib/active_storage/engine.rb
+++ b/activestorage/lib/active_storage/engine.rb
@@ -1,6 +1,10 @@
 # frozen_string_literal: true
 
 require "rails"
+require "action_controller/railtie"
+require "active_job/railtie"
+require "active_record/railtie"
+
 require "active_storage"
 
 require "active_storage/previewer/poppler_pdf_previewer"
@@ -29,6 +33,7 @@ module ActiveStorage
       image/jpeg
       image/pjpeg
       image/tiff
+      image/bmp
       image/vnd.adobe.photoshop
       image/vnd.microsoft.icon
     )
@@ -52,6 +57,7 @@ module ActiveStorage
       image/jpg
       image/jpeg
       image/tiff
+      image/bmp
       image/vnd.adobe.photoshop
       image/vnd.microsoft.icon
       application/pdf