diff --git a/config/initializers/languages.rb b/config/initializers/languages.rb
index 9d2df1c5e..c2d076dbb 100644
--- a/config/initializers/languages.rb
+++ b/config/initializers/languages.rb
@@ -22,7 +22,8 @@ LANGUAGES_CONFIG = {
   17 => { name: 'Romanian', iso_639_3_code: 'ron', iso_639_1_code: 'ro', enabled: true },
   18 => { name: 'Tamil', iso_639_3_code: 'tam', iso_639_1_code: 'ta', enabled: true },
   19 => { name: 'Persian', iso_639_3_code: 'fas', iso_639_1_code: 'fa', enabled: true },
-  20 => { name: 'Traditional Chinese', iso_639_3_code: 'zho', iso_639_1_code: 'zh_TW', enabled: true }
+  20 => { name: 'Traditional Chinese', iso_639_3_code: 'zho', iso_639_1_code: 'zh_TW', enabled: true },
+  21 => { name: 'Vietnamese', iso_639_3_code: 'vie', iso_639_1_code: 'vi', enabled: true }
 }.filter { |_key, val| val[:enabled] }.freeze
 
 Rails.configuration.i18n.available_locales = LANGUAGES_CONFIG.map { |_index, lang| lang[:iso_639_1_code].to_sym }