diff --git a/AUTHORS b/AUTHORS
index 6a2efe123e..4bfb94220e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -41,6 +41,7 @@ Michael Elkins <michael.elkins@gmail.com>
 Michael Hoisie <hoisie@gmail.com>
 Moriyoshi Koizumi <mozo@mozo.jp>
 Môshe van der Sterre <moshevds@gmail.com>
+Petar Maymounkov <petarm@gmail.com>
 Peter Froehlich <peter.hans.froehlich@gmail.com>
 Roger Peppe <rogpeppe@gmail.com>
 Ross Light <rlight2@gmail.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index d021c64161..6416292b4d 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -76,6 +76,7 @@ Michael Hoisie <hoisie@gmail.com>
 Moriyoshi Koizumi <mozo@mozo.jp>
 Môshe van der Sterre <moshevds@gmail.com>
 Nigel Tao <nigeltao@golang.org>
+Petar Maymounkov <petarm@gmail.com>
 Peter Froehlich <peter.hans.froehlich@gmail.com>
 Peter McKenzie <petermck@google.com>
 Péter Szabó <pts@google.com>