diff --git a/AUTHORS b/AUTHORS
index 370aedf..cfba7c5 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -9,4 +9,8 @@
 # Please keep the list sorted.
 
 Google Inc.
+Jay Graves <jaywgraves@gmail.com>
+Pius Uzamere <pius+github@alum.mit.edu>
 Robert Daniel Kortschak <dan.kortschak@adelaide.edu.au>
+Timothy Armstrong <armstrong.timothy@gmail.com>
+Zihua Li <i@zihua.li>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 48796de..5e9fa6d 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -12,4 +12,8 @@
 # Please keep the list sorted.
 
 Barak Michener <barakmich@google.com> <barak@cayley.io> <me@barakmich.com>
+Jay Graves <jaywgraves@gmail.com>
+Pius Uzamere <pius+github@alum.mit.edu>
 Robert Daniel Kortschak <dan.kortschak@adelaide.edu.au>
+Timothy Armstrong <armstrong.timothy@gmail.com>
+Zihua Li <i@zihua.li>