diff --git a/AUTHORS b/AUTHORS
index e4641d0fa95..64d733cf931 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -226,6 +226,7 @@ Peter Mundy <go.peter.90@gmail.com>
 Péter Surányi <speter.go1@gmail.com>
 Peter Waller <peter.waller@gmail.com>
 Peter Williams <pwil3058@gmail.com>
+Philip K. Warren <pkwarren@gmail.com>
 Pieter Droogendijk <pieter@binky.org.uk>
 Quan Yong Zhai <qyzhai@gmail.com>
 Raif S. Naffah <go@naffah-raif.name>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 4ec69c7896f..b8291de4460 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -330,6 +330,7 @@ Peter Waller <peter.waller@gmail.com>
 Peter Weinberger <pjw@golang.org>
 Peter Williams <pwil3058@gmail.com>
 Phil Pennock <pdp@golang.org>
+Philip K. Warren <pkwarren@gmail.com>
 Pieter Droogendijk <pieter@binky.org.uk>
 Quan Yong Zhai <qyzhai@gmail.com>
 Raif S. Naffah <go@naffah-raif.name>