diff --git a/tools/update-localizations.py b/tools/update-localizations.py
index 5021ffe46d..02b97426e9 100755
--- a/tools/update-localizations.py
+++ b/tools/update-localizations.py
@@ -23,7 +23,7 @@
 # Do not remove languages.
 # When you add a language, please also add it to mAppLanguages in Preferences.java
 
-languages = ['ar', 'bg', 'ca', 'cs', 'de', 'el', 'eo', 'es-AR', 'es-ES', 'et', 'fa', 'fi', 'fr', 'gl', 'got', 'he', 'hi', 'hu', 'id', 'it', 'ja', 'ko', 'lt', 'lv', 'nl', 'no', 'pl', 'pt-PT', 'pt-BR', 'ro', 'ru', 'sk', 'sl', 'sr', 'sv-SE', 'th', 'tr', 'uk', 'vi', 'zh-CN', 'zh-TW'];
+languages = ['ar', 'bg', 'ca', 'cs', 'de', 'el', 'eo', 'es-AR', 'es-ES', 'et', 'fa', 'fi', 'fr', 'gl', 'got', 'he', 'hi', 'hu', 'id', 'it', 'ja', 'ko', 'lt', 'lv', 'nl', 'nn-NO', 'no', 'pl', 'pt-PT', 'pt-BR', 'ro', 'ru', 'sk', 'sl', 'sr', 'sv-SE', 'th', 'tr', 'tt-RU', 'uk', 'vi', 'zh-CN', 'zh-TW'];
 # languages which are localized for more than one region
 localizedRegions = ['es', 'pt', 'zh']