diff --git a/SkyWay.podspec b/SkyWay.podspec
index c687595..5fcdc29 100644
--- a/SkyWay.podspec
+++ b/SkyWay.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'SkyWay'
-  s.version          = '1.0.3'
+  s.version          = '1.0.4'
   s.summary          = 'SkyWay simplifies peer-to-peer data, video, and audio calls using WebRTC.'
   s.description      = <<-DESC
   "SkyWay" is a framework that enables using SkyWay in iOS apps.
@@ -9,7 +9,7 @@ SkyWay simplifies peer-to-peer data, video, and audio calls using WebRTC.
   s.homepage         = 'https://webrtc.ecl.ntt.com'
   s.license          = { :type => 'Apache License', :file => 'LICENSE.txt' }
   s.author           = { 'NTT Communications' => 'skyway@ntt.com' }
-  s.source           = { :http => 'https://github.com/skyway/skyway-ios-sdk/releases/download/v1.0.3/SkyWay_iOS_1.0.3.zip', :flatten => true }
+  s.source           = { :http => 'https://github.com/skyway/skyway-ios-sdk/releases/download/v1.0.4/SkyWay_iOS_1.0.4.zip', :flatten => true }
   s.ios.deployment_target = '8.0'
   s.vendored_frameworks = 'SkyWay.framework'
   s.source_files  = 'SkyWay.framework/Headers/*.h'
diff --git a/release-notes.en.md b/release-notes.en.md
index 5ebf074..15c0181 100644
--- a/release-notes.en.md
+++ b/release-notes.en.md
@@ -2,6 +2,13 @@
 
 [日本語](./release-notes.md)
 
+## [Version 1.0.4](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.4)
+
+### Fixed
+
+- Fixed bug that causes crash of the app when call destroy after calling disconnect.
+- Fixed bug in switchCamera method.
+
 ## [Version 1.0.3](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.3)
 
 ### Added
@@ -27,7 +34,7 @@
 ## [Version 1.0.1](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.1)
 
 ### Fixed
- 
+
 - Fixed bug that metadata on Media/DataConnection class was not set.
 
 ## [Version 1.0.0](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.0)
diff --git a/release-notes.md b/release-notes.md
index 16b8a6e..4ae9cec 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -2,6 +2,13 @@
 
 [English](./release-notes.en.md)
 
+## [Version 1.0.4](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.4)
+
+### Fixed
+
+- disconnectメソッド後にdestroyメソッドを呼ぶとクラッシュする不具合を解消しました。
+- switchCameraメソッドが動作しない不具合を解消しました。
+
 ## [Version 1.0.3](https://github.com/skyway/skyway-ios-sdk/releases/tag/v1.0.3)
 
 ### Added