diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 1e01432d2..37c40cb79 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -59,6 +59,7 @@ __authors__  = (
     'Adam Thalhammer',
     'Georg Jähnig',
     'Ralf Haring',
+    'Koki Takahashi',
 )
 
 __license__ = 'Public Domain'