diff --git a/CHANGELOG.md b/CHANGELOG.md
index 469435b..793cf95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,3 +42,4 @@
 - Update documentation (2025-07-07)
 - Refactor code structure (2025-07-17)
 - Fix bugs and improve stability (2025-07-19)
+- Refactor code structure (2025-07-21)