diff --git a/.authors.yml b/.authors.yml
index 8138539d1..6dc92af9c 100644
--- a/.authors.yml
+++ b/.authors.yml
@@ -64,7 +64,7 @@
   - Gilbert.Forsyth@capitalone.com
   - gforsyth@gwu.edu
   - gil@forsyth.dev
-  num_commits: 534
+  num_commits: 540
   first_commit: 2015-10-19 16:04:32
   github: gforsyth
 - name: Morten Enemark Lund
@@ -1104,7 +1104,7 @@
   email: anki-code@users.noreply.github.com
   alternate_emails:
   - anki-code
-  num_commits: 74
+  num_commits: 75
   first_commit: 2019-10-15 18:20:58
   github: xxh
 - name: Sylvain Corlay
@@ -1128,7 +1128,7 @@
   github: marciomazza
 - name: Noortheen Raja
   email: jnoortheen@gmail.com
-  num_commits: 45
+  num_commits: 47
   first_commit: 2020-03-15 10:13:56
   github: jnoortheen
 - name: Samuel Lotz
@@ -1265,3 +1265,7 @@
   email: github@schukraft.org
   num_commits: 1
   first_commit: 2021-01-06 10:34:22
+- name: Gao, Xiang
+  email: qasdfgtyuiop@gmail.com
+  num_commits: 1
+  first_commit: 2021-01-31 17:22:41
diff --git a/.mailmap b/.mailmap
index 5a3f52aef..418e89c98 100644
--- a/.mailmap
+++ b/.mailmap
@@ -264,5 +264,6 @@ Henré Botha <henrebotha@gmail.com>
 Aneesh Durg <aneeshdurg17@gmail.com>
 colons <colons@colons.co>
 yggdr <github@schukraft.org>
+Gao, Xiang <qasdfgtyuiop@gmail.com>
 goodboy <tgoodlet@users.noreply.github.com>
 Atsushi Morimoto <atsushi.morimoto@dena.com>
diff --git a/AUTHORS.rst b/AUTHORS.rst
index 51a981ea3..2bb962d94 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -247,5 +247,6 @@ Authors are sorted by number of commits.
 * Aneesh Durg
 * colons
 * yggdr
+* Gao, Xiang
 * goodboy
 * Atsushi Morimoto