diff --git a/AUTHORS b/AUTHORS
index 067d3a0c47..3656f0a7db 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -96,6 +96,7 @@ Petar Maymounkov <petarm@gmail.com>
 Peter Froehlich <peter.hans.froehlich@gmail.com>
 Peter Mundy <go.peter.90@gmail.com>
 Peter Williams <pwil3058@gmail.com>
+Pieter Droogendijk <pieter@binky.org.uk>
 Raif S. Naffah <go@naffah-raif.name>
 Risto Jaakko Saarelma <rsaarelm@gmail.com>
 Roger Peppe <rogpeppe@gmail.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index d4cdd45f9d..fe28865f0c 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -148,6 +148,7 @@ Peter Mundy <go.peter.90@gmail.com>
 Péter Szabó <pts@google.com>
 Peter Williams <pwil3058@gmail.com>
 Phil Pennock <pdp@golang.org>
+Pieter Droogendijk <pieter@binky.org.uk>
 Raif S. Naffah <go@naffah-raif.name>
 Risto Jaakko Saarelma <rsaarelm@gmail.com>
 Rob Pike <r@golang.org>