diff --git a/AUTHORS b/AUTHORS
index 231a835..34bcdca 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -3,6 +3,7 @@
 # This does not necessarily list everyone who has contributed code, since in
 # some cases, their employer may be the copyright holder.  To see the full list
 # of contributors, see the revision history in source control.
+Cássio Botaro <cassiobotaro@gmail.com>
 Google Inc.
 Matt Aimonetti <mattaimonetti@gmail.com>
 Max Ekman <max@looplab.se>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index de8f8c3..c6f4e08 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -26,6 +26,7 @@
 
 # Please keep the list sorted.
 
+Cássio Botaro <cassiobotaro@gmail.com>
 Hidetoshi Shimokawa <smkwhdts@gmail.com>
 Marc-Antoine Ruel <maruel@chromium.org> <maruel@gmail.com>
 Matt Aimonetti <mattaimonetti@gmail.com>