diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index bb70e164c9..60dc553d93 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -436,6 +436,7 @@ Patrick Gavlin <pgavlin@gmail.com>
 Patrick Higgins <patrick.allen.higgins@gmail.com>
 Patrick Mézard <patrick@mezard.eu>
 Patrick Mylund Nielsen <patrick@patrickmn.com>
+Patrick Riley <pfr@google.com>
 Patrick Smith <pat42smith@gmail.com>
 Paul A Querna <paul.querna@gmail.com>
 Paul Borman <borman@google.com>