diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index a09b1d4676..ed2ca5abfa 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -90,7 +90,7 @@ Brian Slesinsky <skybrian@google.com>
 Caine Tighe <arctanofyourface@gmail.com>
 Caleb Spare <cespare@gmail.com>
 Carl Mastrangelo <notcarl@google.com>
-Carl Shapiro <cshapiro@google.com>
+Carl Shapiro <cshapiro@google.com> <cshapiro@golang.org>
 Carlos Castillo <cookieo9@gmail.com>
 Cary Hull <chull@google.com>
 Casey Marshall <casey.marshall@gmail.com>