diff --git a/.swift-version b/.swift-version
index 8c50098d..5186d070 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-3.1
+4.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1fc7ab6..a99d1129 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 ## Master
 
+#### Breaking
+- None
+
+#### Enhancements
+- None
+
+#### Bug Fixes
+- None
+
+## 0.5.0
+
 #### Breaking
 - Minimum language version is now Swift 4
 - `OAuth2Token` protocol no longer inherits from `NSCoding`, removes `isValid`
diff --git a/Conduit.podspec b/Conduit.podspec
index 8348414a..17aef6b1 100644
--- a/Conduit.podspec
+++ b/Conduit.podspec
@@ -1,4 +1,4 @@
-$version = '0.4.1'
+$version = '0.5.0'
 
 Pod::Spec.new do |spec|
 	spec.name = 'Conduit'
diff --git a/README.md b/README.md
index c0bb65d8..8cab88a8 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,10 @@ Within each session, requests are sent through a serial [pipeline](https://en.wi
 ## Requirements
 - iOS 8.0+ / macOS 10.10+ / tvOS 9.0+ / watchOS 2.0+
 - Xcode 8.1+
-- Swift 3
+| Conduit  Version | Swift Version |
+|------------------|---------------|
+| 0.4.x            | 3.x           |
+| 0.5.x+           | 4.0           |
 
 ## Installation