diff --git a/README.md b/README.md
index e7878b48e..9b1298956 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ To install the Dropbox Swift SDK via Carthage, you need to create a `Cartfile` i
 
 ```
 # SwiftyDropbox
-github "https://github.com/dropbox/SwiftyDropbox" ~> 4.2.0
+github "https://github.com/dropbox/SwiftyDropbox" ~> 4.2.1
 ```
 
 Then, run the following command to install the dependency to checkout and build the Dropbox Swift SDK repository:
diff --git a/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/Info.plist b/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/Info.plist
index ac027c84d..0b0185acf 100644
--- a/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/Info.plist
+++ b/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.2.0</string>
+	<string>4.2.1</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/OAuthMobile.swift b/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/OAuthMobile.swift
index 0f7d0571c..37948396f 100644
--- a/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/OAuthMobile.swift
+++ b/Source/SwiftyDropbox/Platform/SwiftyDropbox_iOS/OAuthMobile.swift
@@ -230,14 +230,7 @@ open class MobileSafariViewController: SFSafariViewController, SFSafariViewContr
     var cancelHandler: (() -> Void) = {}
 
     public init(url: URL, cancelHandler: @escaping (() -> Void)) {
-		if #available(iOS 11.0, *) {
-			let config = SFSafariViewController.Configuration()
-			config.entersReaderIfAvailable = false
-			super.init(url: url, configuration: config)
-		} else {
-			super.init(url: url, entersReaderIfAvailable: false)
-		}
-		
+			  super.init(url: url, entersReaderIfAvailable: false)
         self.cancelHandler = cancelHandler
         self.delegate = self;
     }
diff --git a/Source/SwiftyDropbox/Platform/SwiftyDropbox_macOS/Info.plist b/Source/SwiftyDropbox/Platform/SwiftyDropbox_macOS/Info.plist
index 2650fe6a5..8a13019d5 100644
--- a/Source/SwiftyDropbox/Platform/SwiftyDropbox_macOS/Info.plist
+++ b/Source/SwiftyDropbox/Platform/SwiftyDropbox_macOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.2.0</string>
+	<string>4.2.1</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSHumanReadableCopyright</key>
diff --git a/Source/SwiftyDropbox/Shared/Handwritten/SDKConstants.swift b/Source/SwiftyDropbox/Shared/Handwritten/SDKConstants.swift
index a93547066..d289d06da 100644
--- a/Source/SwiftyDropbox/Shared/Handwritten/SDKConstants.swift
+++ b/Source/SwiftyDropbox/Shared/Handwritten/SDKConstants.swift
@@ -5,5 +5,5 @@
 import Foundation
 
 struct Constants {
-    static let versionSDK = "4.2.0"
+    static let versionSDK = "4.2.1"
 }
diff --git a/SwiftyDropbox.podspec b/SwiftyDropbox.podspec
index 2a34536e2..f3b649dbe 100644
--- a/SwiftyDropbox.podspec
+++ b/SwiftyDropbox.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'SwiftyDropbox'
-  s.version      = '4.2.0'
+  s.version      = '4.2.1'
   s.summary      = 'Dropbox Swift SDK for API v2'
   s.homepage     = 'https://dropbox.com/developers/'
   s.license      = 'MIT'