diff --git a/CHANGELOG-4.0.md b/CHANGELOG-4.0.md
index ec337cf2e05..953677422c9 100644
--- a/CHANGELOG-4.0.md
+++ b/CHANGELOG-4.0.md
@@ -11,6 +11,7 @@
 - Fixed `Tag::friendlyTitle` to correctly convert titles under MacOS and Windows [#14866](https://github.com/phalcon/cphalcon/issues/14866)
 - Fixed the Volt compiler to no longer parse `cache` fragments and thus searching for the `viewCache` service (deprecated for v4) [#14907](https://github.com/phalcon/cphalcon/issues/14907)
 - Fixed `IN` operator precedence in Volt [#14816](https://github.com/phalcon/cphalcon/issues/14816)
+- Fixed testing suite to work with PHPUnit 9 when we upgrade [#14837](https://github.com/phalcon/cphalcon/issues/14837)
 
 # [4.0.5](https://github.com/phalcon/cphalcon/releases/tag/v4.0.5) (2020-03-07)
 ## Added