diff --git a/CHANGES.md b/CHANGES.md
index aa5df91..51d009d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+2.4.3 (2019-12-31)
+------------------
+
+* add support for OCaml 4.10
+
 2.4.2 (2019-09-18)
 ------------------