diff --git a/CHANGELOG.md b/CHANGELOG.md
index e04c11361..2c4b3ca84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ You can find and compare releases at the [GitHub release page](https://github.co
 
 ## Unreleased
 
+## v15.6.2
+
+### Fixed
+
+- Avoid instantiations when checking if types are built-in https://github.com/webonyx/graphql-php/pull/1423
+
 ## v15.6.1
 
 ### Fixed