diff --git a/.swift-version b/.swift-version
deleted file mode 100644
index 7d5c902..0000000
--- a/.swift-version
+++ /dev/null
@@ -1 +0,0 @@
-4.1
diff --git a/KZFileWatchers.podspec b/KZFileWatchers.podspec
index 576a31b..45b40b8 100644
--- a/KZFileWatchers.podspec
+++ b/KZFileWatchers.podspec
@@ -20,6 +20,7 @@ A micro-framework for observing file changes, both local and remote. Helpful in
   s.author           = { 'Krzysztof Zabłocki' => 'krzysztof.zablocki@pixle.pl' }
   s.source           = { :git => 'https://github.com/krzysztofzablocki/KZFileWatchers.git', :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/merowing_'
+  s.swift_version    = '4.1'
 
   s.ios.deployment_target = '8.0'
   s.tvos.deployment_target = '9.0'
diff --git a/README.md b/README.md
index a98f0e8..64ed9b7 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ pod "KZFileWatchers"
 ```
 
 Last version to support Swift 2.3 is `0.1.2`
-Last version to support Swift 3 is `0.1.4`
+Last version to support Swift 3.0 is `1.0.4`
 
 ### Swift Package Manager