diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16bc106..a399bed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,27 +2,31 @@
 
 All notable changes to this project will be documented in this file.
 
+## [2.3.0] - 2024-04-26
+
+### Added
+
+- Introduced `numberSlotClassName` and `numberClassName` props for more customization options. These props allow you to set the class name for the number slot and the number, respectively, enabling you to customize their styling.
+- Implemented the ResizeObserver API to detect changes in font size. This enhancement provides a better experience in responsive services by ensuring that the counter adapts to changes in font size.
+
 ## [2.2.5] - 2024-01-09
 
 ### Fixed
 
 - Fixed an error caused by inaccurate font height calculation.
 
-
 ## [2.2.4] - 2024-01-05
 
 ### Fixed
 
 - Refined font height calculation logic for more accurate and visually pleasing displays.
 
-
 ## [2.2.3] - 2023-12-25
 
 ### Fixed
 
 - Fixed a bug in `sequentialAnimationMode` for handling decimal numbers. In this update, I addressed an issue where decimal numbers were not processed correctly in `sequentialAnimationMode`.
 
-
 ## [2.2.1] - 2023-12-11
 
 ### Fixed
@@ -32,7 +36,7 @@ All notable changes to this project will be documented in this file.
 ## [2.2.0] - 2023-12-10
 
 ### Added
- 
+
 - Introduced `animateOnVisible` prop to trigger animations based on component visibility. This feature allows animations to start when the component is visible in the viewport, enhancing user engagement and interactivity. The `animateOnVisible` prop can be a boolean or an object with `rootMargin` and `triggerOnce` options for more precise control.
 
 ## [2.1.1] - 2023-11-19
diff --git a/README.md b/README.md
index c57caab..ac3170d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # React Slot Counter 🎰 - Make Your UI Count! ✨
 
-> 🚀 Elevate Your UI with Dynamic, Eye-Catching Counters - React Slot Counter v2.0.0
+> 🚀 Elevate Your UI with Dynamic, Eye-Catching Counters - React Slot Counter
 
 Make Your Numbers Pop 🌟: Simple and Dynamic Counters for Your UI
 
diff --git a/package.json b/package.json
index 762a3bb..88a048d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-slot-counter",
-  "version": "2.2.5",
+  "version": "2.3.0",
   "description": "Make Your Numbers Pop: Simple and Dynamic Counters for Your UI",
   "author": "almond-bongbong",
   "license": "MIT",