diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b5fbec..ccb1c7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Added first version of the changelog
+- Use numpy for internal buffers to reduce memory usage and improve performance.
 
 ### Fixed