diff --git a/README.md b/README.md
index e87b72b2..ff1616d6 100644
--- a/README.md
+++ b/README.md
@@ -2239,4 +2239,4 @@ Similar to `IObservable<T>`, if you want to stop the stream when an `OnErrorResu
 
 License
 ---
-This library is under the MIT License.
+This library is under the MIT License.
\ No newline at end of file
diff --git a/src/R3.Godot/addons/R3.Godot/plugin.cfg b/src/R3.Godot/addons/R3.Godot/plugin.cfg
index b169e1b4..10ad5495 100644
--- a/src/R3.Godot/addons/R3.Godot/plugin.cfg
+++ b/src/R3.Godot/addons/R3.Godot/plugin.cfg
@@ -3,6 +3,6 @@
 name="R3.Godot"
 description="The new future of dotnet/reactive and UniRx."
 author="Cysharp"
-version="1.2.2"
+version="1.2.3"
 language="C-sharp"
 script="GodotR3Plugin.cs"
diff --git a/src/R3.Unity/Assets/R3.Unity/package.json b/src/R3.Unity/Assets/R3.Unity/package.json
index d235f483..bfdc5802 100644
--- a/src/R3.Unity/Assets/R3.Unity/package.json
+++ b/src/R3.Unity/Assets/R3.Unity/package.json
@@ -2,7 +2,7 @@
     "name": "com.cysharp.r3",
     "displayName": "R3",
     "author": { "name": "Cysharp, Inc.", "url": "https://cysharp.co.jp/en/" },
-    "version": "1.2.2",
+    "version": "1.2.3",
     "unity": "2021.3",
     "description": "Reactive Extensions for Unity.",
     "keywords": [ "rx", "event", "Scripting" ],