diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71ce825..29a9502 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [v1.3.1](https://github.com/mob-sakai/ParticleEffectForUGUI/tree/v1.3.1) (2018-12-24)
+
+[Full Changelog](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v1.3.0...v1.3.1)
+
+**Fixed bugs:**
+
+- OnSceneGUI has errors in Unity 2018.2 [\#27](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/27)
+- Demo scene crashes in Unity 2018.2 [\#26](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/26)
+
 ## [v1.3.0](https://github.com/mob-sakai/ParticleEffectForUGUI/tree/v1.3.0) (2018-12-21)
 
 [Full Changelog](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v1.2.1...v1.3.0)
@@ -9,8 +18,8 @@ With Gizmo you can control the scaled Shape.
 
 **Fixed bugs:**
 
-- In overlay, particle size is too small [\#23](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/23)
 - Assertion failed on expression: 'IsNormalized\(normal, 0.001f\)' [\#22](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/22)
+- In overlay, particle size is too small [\#23](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/23)
 - UIParticle.Scale does not affect the gizmo of shape module [\#21](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/21)
 
 ## [v1.2.1](https://github.com/mob-sakai/ParticleEffectForUGUI/tree/v1.2.1) (2018-12-13)
diff --git a/package.json b/package.json
index dc219d1..582c0fd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ParticleEffectForUGUI",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mob-sakai/ParticleEffectForUGUI.git"