diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9dbedb..dac3fe5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,25 @@
+## [2.1.0] - Release
+ * Code Refactor
+ * Improve Documentation
+ * deprecated : `sliderMenuOpenSize` and `sliderMenuCloseSize`
+ * deprecated : `sliderMenu` and `sliderMain`
+ * deprecated : `closeDrawer` and `openDrawer`
+ * deprecated : `SliderMenuContainerState`
+ * deprecated : `hasAppBar`
+ * deprecated : `isShadow`
+ * replace `sliderMenuOpenSize` and `sliderMenuCloseSize` to `sliderOpenSize` and `sliderCloseSize`
+ * replace `sliderMenu` and `sliderMain` to `slider` and `child`
+ * replace `closeDrawer` and `openDrawer` to `closeSlider` and `openSlider`
+ * replace `SliderMenuContainerState`  to `closeSlider`
+ * replace `hasAppBar`  to 'appBar' : if you set `app:null` then it will hide
+ * replace `isShadow`  to 'sliderShadow' : if you set `sliderShadow:null` then shadow will not come
+   by default it's null
+
+
+
+
+
+
 ## [2.0.0] - Release
 
  * Added null safety