diff --git a/README.md b/README.md
index 1e02b9f..d075bf1 100644
--- a/README.md
+++ b/README.md
@@ -324,10 +324,12 @@ github "cats-oss/Unio"
 
 ### CocoaPods
 
-~~Unio is available through [CocoaPods](https://cocoapods.org). To instal
-it, simply add the following line to your Podfile:~~
+Unio is available through [CocoaPods](https://cocoapods.org). To install
+it, simply add the following line to your Podfile:
 
-Coming soon
+```ruby
+pod "Unio"
+```
 
 ## Requirements
 
diff --git a/Unio.podspec b/Unio.podspec
new file mode 100644
index 0000000..5cc1a5f
--- /dev/null
+++ b/Unio.podspec
@@ -0,0 +1,22 @@
+#
+#  Be sure to run `pod spec lint Unio.podspec' to ensure this is a
+#  valid spec and to remove all comments including this before submitting the spec.
+#
+#  To learn more about Podspec attributes see http://docs.cocoapods.org/specification.html
+#  To see working Podspecs in the CocoaPods repo see https://github.com/CocoaPods/Specs/
+#
+
+Pod::Spec.new do |s|
+  s.name         = "Unio"
+  s.version      = "0.2.0"
+  s.summary      = "KeyPath based Unidirectionarl Input / Output framework with RxSwift."
+  s.homepage     = "https://github.com/cats-oss/Unio"
+  s.license      = { :type => "MIT", :file => "LICENSE" }
+  s.author       = { "Taiki Suzuki" => "suzuki_taiki@cyberagent.co.jp" }
+  s.ios.deployment_target  = "9.0"
+  s.source       = { :git => "https://github.com/cats-oss/Unio.git", :tag => "#{s.version}" }
+  s.source_files = "Unio/**/*.{swift}"
+  s.dependency 'RxSwift', '~> 4.0'
+  s.dependency 'RxCocoa', '~> 4.0'
+  s.swift_version = '4.2'
+end