diff --git a/CHANGES.md b/CHANGES.md
index 5e6fc0ddaa2..c85fc97abc8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+1.0+beta16 (05/11/2017)
+-----------------------
+
+* Fix build on 32-bit OCaml on Windows/Cygwin (#313)
+
 1.0+beta15 (04/11/2017)
 -----------------------