diff --git a/Packages/src/CHANGELOG.md b/Packages/src/CHANGELOG.md
index c8e23ae..1b38110 100644
--- a/Packages/src/CHANGELOG.md
+++ b/Packages/src/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [5.0.0-preview.20](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.19...5.0.0-preview.20) (2026-06-29)
+
+
+### Bug Fixes
+
+* support "disable domain reload" on Unity 6.6 or later ([dc12088](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/dc120884f68a5fee1775d039fc7bca0ee0e404b5))
+
 # [5.0.0-preview.19](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.18...5.0.0-preview.19) (2026-06-28)
 
 
diff --git a/Packages/src/package.json b/Packages/src/package.json
index e0398b7..5f2377c 100644
--- a/Packages/src/package.json
+++ b/Packages/src/package.json
@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "5.0.0-preview.19",
+  "version": "5.0.0-preview.20",
   "unity": "2019.3",
   "license": "MIT",
   "repository": {