diff --git a/lib/file_uploader.js b/lib/file_uploader.js
index ffaf1b94..e3015756 100644
--- a/lib/file_uploader.js
+++ b/lib/file_uploader.js
@@ -133,6 +133,8 @@ FileUploader.prototype._initMedia = function (cb) {
     media_category = 'tweet_gif';
   } else if (mediaType.toLowerCase().indexOf('video') > -1) {
     media_category = 'tweet_video';
+  } else if (mediaType.toLowerCase().indexOf('subrip') > -1) {
+    media_category = 'SUBTITLES'
   }
 
   // Check the file size - it should not go over 15MB for video.
diff --git a/lib/twitter.js b/lib/twitter.js
index 9540857e..b5bb7124 100644
--- a/lib/twitter.js
+++ b/lib/twitter.js
@@ -31,6 +31,8 @@ var FORMDATA_PATHS = [
 
 var JSONPAYLOAD_PATHS = [
   'media/metadata/create',
+  'media/subtitles/create',
+  'media/subtitles/delete',
   'direct_messages/events/new',
   'direct_messages/welcome_messages/new',
   'direct_messages/welcome_messages/rules/new',