diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0db859b..a25628d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [3.0.0-preview.29](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.28...v3.0.0-preview.29) (2020-09-01)
+
+
+### Features
+
+* material batching ([8f703e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8f703e6d2c0e8229ca14b25638dae5d91a5658c3))
+
 # [3.0.0-preview.28](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.27...v3.0.0-preview.28) (2020-09-01)
 
 
diff --git a/package.json b/package.json
index e4436e5..84f61d3 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": "3.0.0-preview.28",
+  "version": "3.0.0-preview.29",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {