diff --git a/racket/collects/racket/HISTORY.txt b/racket/collects/racket/HISTORY.txt
index 7bac028f7f..fa21396e12 100644
--- a/racket/collects/racket/HISTORY.txt
+++ b/racket/collects/racket/HISTORY.txt
@@ -1,3 +1,6 @@
+Version 6.0.1.3
+Removed the mzlib/class100 library
+
 Version 6.0.0.1
 Moved detailed-change recording to documentation