diff --git a/racket/collects/acks/acks.rkt b/racket/collects/acks/acks.rkt
index 1c05d3aca2..d53d196ad4 100644
--- a/racket/collects/acks/acks.rkt
+++ b/racket/collects/acks/acks.rkt
@@ -18,6 +18,7 @@
    "Stephen Bloch, "
    "Matthew Butterick, "
    "Filipe Cabecinhas, "
+   "Stephen Chang, "
    "Richard Cleis, "
    "John Clements, "
    "Richard Cobbe, "