diff --git a/.swift-version b/.swift-version
deleted file mode 100644
index 9f55b2c..0000000
--- a/.swift-version
+++ /dev/null
@@ -1 +0,0 @@
-3.0
diff --git a/.swift_version b/.swift_version
deleted file mode 100644
index 9f55b2c..0000000
--- a/.swift_version
+++ /dev/null
@@ -1 +0,0 @@
-3.0
diff --git a/CircularSpinner.podspec b/CircularSpinner.podspec
index 3381138..9e44118 100644
--- a/CircularSpinner.podspec
+++ b/CircularSpinner.podspec
@@ -1,14 +1,14 @@
 Pod::Spec.new do |s|
 
   s.name         = 'CircularSpinner'
-  s.version      = '1.2.0'
+  s.version      = '1.4.1'
   s.summary      = 'A Beautiful fullscreen Circular Spinner, very useful for determinate or indeterminate task.'
   s.description  = <<-DESC
   A Beautiful fullscreen Circular Spinner, very useful for determinate or indeterminate task. You can use it as activity indicator during loading.
                    DESC
   s.homepage     = "https://github.com/taglia3/CircularSpinner"
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
-  s.source_files = 'CircularSpinner/**/*' 
+  s.source_files = 'CircularSpinner/**/*.{swift,xib}'
   s.resource_bundles = {
     'CircularSpinner' => ['CircularSpinner/Assets/*.png']
   }
@@ -17,4 +17,5 @@ Pod::Spec.new do |s|
   s.social_media_url = 'https://twitter.com/taglia3'
   s.frameworks        = 'UIKit'
   s.ios.deployment_target = '8.0'
+  s.swift_version = '4.2'
 end