diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25e8f8d..8554d34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [1.4.0](https://github.com/mob-sakai/UnmaskForUGUI/compare/1.3.0...1.4.0) (2022-02-17)
+
+
+### Features
+
+* add edge smoothing option ([c5317de](https://github.com/mob-sakai/UnmaskForUGUI/commit/c5317deafeba575161db8b168dae845d68347236))
+
 # [1.3.0](https://github.com/mob-sakai/UnmaskForUGUI/compare/1.2.0...1.3.0) (2021-06-29)
 
 
diff --git a/package.json b/package.json
index da36b69..a822587 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "com.coffee.unmask",
   "displayName": "UI Unmask",
   "description": "Reverse mask for uGUI element in Unity.",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "unity": "2017.1",
   "license": "MIT",
   "repository": {