diff --git a/.swift-version b/.swift-version
deleted file mode 100644
index 5186d0706..000000000
--- a/.swift-version
+++ /dev/null
@@ -1 +0,0 @@
-4.0
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 841af4c29..c6fa0285c 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -32,7 +32,7 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   AEXML: 5ebafc1b75e0bcf0f1b09b8ca8fed2d5a199479b
-  FolioReaderKit: 81ea49f2a32f05193f1f0407145eeae355f30ea7
+  FolioReaderKit: a20e4d9667a97fefcb8ea613767a9833471cbf73
   FontBlaster: 84229df8e3a7a6dacb190565bc543747a0c323f9
   JSQWebViewController: 51041569b75d19dbb6b7fe0b7ae053c32409a9be
   MenuItemKit: d9b539b28fdbbd7980d6f3668b9cd6daefeabd9b
@@ -45,4 +45,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: d5e64429a71bc13b6eceb790b04656d8082e4d66
 
-COCOAPODS: 1.3.1
+COCOAPODS: 1.4.0
diff --git a/FolioReaderKit.podspec b/FolioReaderKit.podspec
index 15a4a95e8..72c4c626f 100644
--- a/FolioReaderKit.podspec
+++ b/FolioReaderKit.podspec
@@ -13,8 +13,9 @@ Pod::Spec.new do |s|
   s.source           = { :git => "https://github.com/FolioReader/FolioReaderKit.git", :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/hebertialmeida'
 
-  s.platform     = :ios, '8.0'
-  s.requires_arc = true
+  s.swift_version = '4.0'
+  s.platform      = :ios, '8.0'
+  s.requires_arc  = true
 
   s.source_files = [
     'Source/*.{h,swift}',