diff --git a/.swift-version b/.swift-version
index 7d5c902e..bf77d549 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.1
+4.2
diff --git a/README.md b/README.md
index 53b689ca..ed3c1588 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # SWCompression
 
-[![Swift 4.1](https://img.shields.io/badge/Swift-4.1-blue.svg)](https://developer.apple.com/swift/)
+[![Swift 4.2](https://img.shields.io/badge/Swift-4.2-blue.svg)](https://developer.apple.com/swift/)
 [![GitHub license](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://raw.githubusercontent.com/tsolomko/SWCompression/master/LICENSE)
 [![Build Status](https://travis-ci.org/tsolomko/SWCompression.svg?branch=develop)](https://travis-ci.org/tsolomko/SWCompression)
 
diff --git a/SWCompression.podspec b/SWCompression.podspec
index 2baee84c..cb7a7eb2 100644
--- a/SWCompression.podspec
+++ b/SWCompression.podspec
@@ -20,7 +20,7 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target = "9.0"
   s.watchos.deployment_target = "2.0"
 
-  s.swift_version = "4.1"
+  s.swift_version = "4.2"
 
   s.dependency "BitByteData", "~> 1.2.0"