diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 6845a39268..6eb0c0b8a3 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -155,6 +155,7 @@ Benny Siegert <bsiegert@gmail.com>
 Benoit Sigoure <tsunanet@gmail.com>
 Berengar Lehr <Berengar.Lehr@gmx.de>
 Bill Neubauer <wcn@golang.org> <wcn@google.com> <bill.neubauer@gmail.com>
+Bill O'Farrell <billo@ca.ibm.com>
 Bill Thiede <couchmoney@gmail.com>
 Billie Harold Cleek <bhcleek@gmail.com>
 Bjorn Tillenius <bjorn@tillenius.me>
@@ -548,6 +549,7 @@ Kai Backman <kaib@golang.org>
 Kamal Aboul-Hosn <aboulhosn@google.com>
 Kamil Kisiel <kamil@kamilkisiel.net> <kamil.kisiel@gmail.com>
 Kang Hu <hukangustc@gmail.com>
+Karan Dhiman <karandhi@ca.ibm.com>
 Kato Kazuyoshi <kato.kazuyoshi@gmail.com>
 Katrina Owen <katrina.owen@gmail.com>
 Kay Zhu <kayzhu@google.com>
@@ -858,6 +860,7 @@ Ryan Seys <ryan@ryanseys.com>
 Ryan Slade <ryanslade@gmail.com>
 S.Çağlar Onur <caglar@10ur.org>
 Salmān Aljammāz <s@0x65.net>
+Sam Ding <samding@ca.ibm.com>
 Sam Hug <samuel.b.hug@gmail.com>
 Sam Thorogood <thorogood@google.com> <sam.thorogood@gmail.com>
 Sam Whited <sam@samwhited.com>
@@ -957,6 +960,7 @@ Totoro W <tw19881113@gmail.com>
 Travis Cline <travis.cline@gmail.com>
 Trevor Strohman <trevor.strohman@gmail.com>
 Trey Tacon <ttacon@gmail.com>
+Tristan Amini <tamini01@ca.ibm.com>
 Tudor Golubenco <tudor.g@gmail.com>
 Tyler Bunnell <tylerbunnell@gmail.com>
 Tyler Treat <ttreat31@gmail.com>
@@ -999,6 +1003,8 @@ Yissakhar Z. Beck <yissakhar.beck@gmail.com>
 Yo-An Lin <yoanlin93@gmail.com>
 Yongjian Xu <i3dmaster@gmail.com>
 Yoshiyuki Kanno <nekotaroh@gmail.com> <yoshiyuki.kanno@stoic.co.jp>
+Yu Heng Zhang <annita.zhang@cn.ibm.com>
+Yu Xuan Zhang <zyxsh@cn.ibm.com>
 Yuki Yugui Sonoda <yugui@google.com>
 Yusuke Kagiwada <block.rxckin.beats@gmail.com>
 Yuusei Kuwana <kuwana@kumama.org>