diff --git a/CHANGELOG-4.0.md b/CHANGELOG-4.0.md
index 387850b017f..31e27085307 100644
--- a/CHANGELOG-4.0.md
+++ b/CHANGELOG-4.0.md
@@ -8,6 +8,8 @@
 - Fixed `Phalcon\Mvc\Model\Criteria` Di isn't set when using `Criteria::fromInput()` [#14538](https://github.com/phalcon/cphalcon/issues/14639)
 - Fixed `Phalcon\Db\Dialect\Mysql` removing unnecessary parentheses for `double` and `float` [#14645](https://github.com/phalcon/cphalcon/pull/14645) [@pfz](https://github.com/pfz)
 - Fixed `Phalcon\Http\Cookie::delete` to parse the correct parameters - cannot use alternative syntax until PHP 7.3 [#14643](https://github.com/phalcon/cphalcon/issues/14643)
+- Fixed `Phalcon\Mvc\Model::__isset` to take into account non visible properties by checking the getter if it exists [#13518](https://github.com/phalcon/cphalcon/issues/13518) [#13900](https://github.com/phalcon/cphalcon/issues/13900)
+- Fixed `Phalcon\Mvc\Model::__set` to return a more informative message if we are tying to access a non visible property [#13518](https://github.com/phalcon/cphalcon/issues/13518) [#13900](https://github.com/phalcon/cphalcon/issues/13900) 
 
 # [4.0.0](https://github.com/phalcon/cphalcon/releases/tag/v4.0.0) (2019-12-21)