diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7b6f37..4acdfb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 - Added `l1_distance` function
 - Added element-wise multiplication for vectors
 - Added `sum` aggregate
+- Improved performance of distance functions
 
 ## 0.4.4 (2023-06-12)