diff --git a/AnyCodable.podspec b/AnyCodable.podspec
index afdd956..818e711 100644
--- a/AnyCodable.podspec
+++ b/AnyCodable.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
   spec.name         = 'AnyCodable'
   spec.version      = '1.2.0'
-  spec.swift_version = '4.0.3'
+  spec.swift_version = '4.2'
   spec.license      = { :type => 'MIT' }
   spec.homepage     = 'https://github.com/asensei/AnyCodable'
   spec.authors      = { 'Asensei' => 'info@asensei.com' }