diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85fe11e5f..2aef15a01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ The format is loosely based on [Keep a Changelog](http://keepachangelog.com/en/1
   Implement custom providers by subclassing either `DefaultValueProvider` or `LookupOrFallbackDefaultValueProvider`,
   install them by setting `Mock[Repository].DefaultValueProvider` (@stakx, #533, #536)
 * Allow `DefaultValue.Mock` to mock `Task<TMockable>` and `ValueTask<TMockable>` (@stakx, #502)
+* Match any value for `ref` parameters with `It.Ref<T>.IsAny` (or `ItExpr.Ref<T>.IsAny` for protected methods) as you would with `It.IsAny<T>()` for regular parameters (@stakx, #537) 
 
 #### Changed