diff --git a/CHANGELOG.md b/CHANGELOG.md
index def05faf..3a7644e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Removes GetAwaiter() call in KiotaSerializer.GetStringFromStream and makes it fully synchronous.
+
 ## [1.9.0] - 2024-05-06
 
 Adds asynchronous deserialization support and marks synchronous as obsolete. https://github.com/microsoft/kiota-abstractions-dotnet/issues/223