diff --git a/README.md b/README.md
index 7a079af..ca6c157 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ pod 'KituraKit', :git => 'https://github.com/IBM-Swift/KituraKit.git', :branch =
 To try out the sample iOS project for yourself, making use of KituraKit, [click here](https://github.com/IBM-Swift/iOSSampleKituraKit).
 
 ## Swift version
-The 0.0.x releases were tested on macOS and Linux using the Swift 4.0.2 binary. Please note that this is the default version of Swift that is include in [Xcode 9.1](https://developer.apple.com/xcode/).
+The 0.0.x releases were tested on macOS and Linux using the Swift 4.0.3 binary. Please note that this is the default version of Swift that is include in [Xcode 9.1](https://developer.apple.com/xcode/).
 
 ## Community