diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c91cca..093371d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [3.3.8](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.7...3.3.8) (2021-06-08)
+
+
+### Bug Fixes
+
+* improve performance ([e352d15](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e352d153cef8c1efb2792e35010d7eed1e31a040))
+
 ## [3.3.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.6...3.3.7) (2021-06-02)
 
 
diff --git a/package.json b/package.json
index 704ca76..fbea942 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": "3.3.7",
+  "version": "3.3.8",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {