diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69c643b..1c742c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [4.0.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.0.0...4.0.1) (2022-06-24)
+
+
+### Bug Fixes
+
+* overlays do not exist in Unity 2019.2-2021.1 ([cd8e037](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cd8e0372b63bb6feaaf053518013a641bc7e65ac)), closes [#207](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/207) [#208](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/208)
+
 # [4.0.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.12...4.0.0) (2022-06-21)
 
 
diff --git a/package.json b/package.json
index 3028f5b..3183013 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This plugin provide a component to render particle effect for uGUI.\nThe particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {