diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f87ada6..42a591bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Next version
 
 - BREAKING: Use new native `bigint` type. This requires ReScript compiler version "11.1.0-rc.6" or higher. https://github.com/rescript-association/rescript-core/pull/207
+- `Int`, `Float`, `BigInt`: use optional args and deprecate `xxxWithRadix`, `xxxWithPrecision` etc. https://github.com/rescript-association/rescript-core/pull/209
 
 ## 1.2.0