diff --git a/CHANGELOG.md b/CHANGELOG.md
index f845d1b..9adbff1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## [3.3.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.3...3.3.4) (2021-02-22)
+
+
+### Bug Fixes
+
+* Multiselecting sets all scales to the same value ([13223b2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/13223b2d747609cf88b424ad590bda7f857b387d))
+* support sub emitter with 'PlayOnAwake' ([d5ce78a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d5ce78ae5acf2740ba7fdc6cde9f197c4e165484))
+* The maximum material count is 8 ([3bb5241](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3bb52412751360409747192150188ae904f2c3d3))
+
 ## [3.3.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/3.3.2...3.3.3) (2021-02-03)
 
 
diff --git a/package.json b/package.json
index 0f8ec89..da9de7c 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": "3.3.3",
+  "version": "3.3.4",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {