diff --git a/CHANGES.md b/CHANGES.md
index cc8f3f9..cfc4e6d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,7 @@
 
 ### Added
 
+- Added new checks in CI (build checks on windows and macos) (#21, @mbarbin).
 - Added a tutorial with new examples of handler-based polymorphism (#13, @mbarbin).
 
 ### Changed