diff --git a/CHANGES.md b/CHANGES.md
index 0d4cf3f..4503eea 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,12 @@
 OCaml-R release notes
 =====================
 
+ocaml-r-0.3.1 2020-07-29
+------------------------
+
+- replaced configurator by dune.configurator
+- fixed compilation warnings
+
 ocaml-r-0.3.0 2020-05-07
 ------------------------