diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 9a877650c16..201098db2ab 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -230,3 +230,4 @@ Mike Chen, 2016/12/20
 Alejandro Pernin, 2016/12/23
 Yuval Shalev, 2016/12/27
 Morgan Doocy, 2017/01/02
+Arcadiy Ivanov, 2017/01/08