diff --git a/contributors.xml b/contributors.xml
index 2b9bf14566..661cde303f 100644
--- a/contributors.xml
+++ b/contributors.xml
@@ -58,6 +58,7 @@
    Sascha Schumann,         <!-- sas -->
    Dan Scott,               <!-- dbs -->
    Masahiro Takagi,         <!-- takagi -->
+   Yoshinari Takaoka,       <!-- mumumu -->
    Yannick Torres,          <!-- yannick -->
    Michael Wallner,         <!-- mike -->
    Lars Torben Wilson,      <!-- torben and also cslawi -->