diff --git a/racket/collects/acks/acks.rkt b/racket/collects/acks/acks.rkt
index 021f7f76a9..4102fada93 100644
--- a/racket/collects/acks/acks.rkt
+++ b/racket/collects/acks/acks.rkt
@@ -10,9 +10,11 @@
   (string-append
    "The following individuals contributed to the implementation"
    " and documentation of Racket: "
+   "Jesse Alama, "
    "Claire Alvis, "
    "Leif Andersen, "
    "Yavuz Arkun, "
+   "Michael Ballantyne, "
    "Ian Barland, "
    "Eli Barzilay, "
    "Gann Bierner, "
@@ -25,6 +27,7 @@
    "Richard Cobbe, "
    "Greg Cooper, "
    "Ryan Culpepper, "
+   "Stephen De Gabrielle, "
    "Christos Dimoulas, "
    "Eric Dobson, "
    "Carl Eastlund, "
@@ -35,10 +38,12 @@
    "Burke Fetscher, "
    "Michael Filonenko, "
    "Robby Findler, "
+   "Jack Firth, "
    "Kathi Fisler, "
    "Cormac Flanagan, "
    "Spencer Florence, "
    "Matthew Flatt, "
+   "Fred Fu, "
    "Tony Garnock-Jones, "
    "Sebastian Good, "
    "Paul Graunke, "
@@ -48,6 +53,7 @@
    "Arjun Guha, "
    "Dave Gurnell, "
    "Tobias Hammer, "
+   "Alex Harsányi, "
    "William Hatch, "
    "Bruce Hauman, "
    "Greg Hendershott, "
@@ -64,12 +70,16 @@
    "Xiangqi Li, "
    "Guillaume Marceau, "
    "Gustavo Massaccesi, "
+   "Paulo Matos, "
    "Jacob Matthews, "
    "Jay McCarthy, "
    "Mike T. McHenry, "
    "Philippe Meunier, "
    "Scott Owens, "
+   "Pavel Panchekha, "
    "David T. Pierson, "
+   "Bogdan Popa, "
+   "Sorawee Porncharoenwase, "
    "Jon Rafkind, "
    "Jamie Raymond, "
    "Grant Rettke, "
@@ -92,11 +102,14 @@
    "Neil Toronto, "
    "Milo Turner, "
    "Dale Vaillancourt, "
+   "David Van Horn, "
    "Dimitris Vyzovitis, "
    "Stephanie Weirich, "
    "Noel Welsh, "
    "Adam Wick, "
    "Danny Yoo, "
    "Shu-Hung You, "
+   "yjqww6, "
+   "Jon Zeppieri, "
    "and "
    "ChongKai Zhu."))