diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71a2a83..5ccd212 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [3.0.0-preview.33](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.32...v3.0.0-preview.33) (2020-09-14)
+
+
+### Bug Fixes
+
+* if the package was installed via openupm, an unintended directory 'Samples' was included ([1913de5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1913de557743b9480f72c5378d13c284a4ac93f9))
+
 # [3.0.0-preview.32](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.31...v3.0.0-preview.32) (2020-09-14)
 
 
diff --git a/package.json b/package.json
index 9e3cfb8..13c29ce 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.32",
+  "version": "3.0.0-preview.33",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {