diff --git a/BiometricAuthentication.podspec b/BiometricAuthentication.podspec
index 275cdb1..6eecde0 100644
--- a/BiometricAuthentication.podspec
+++ b/BiometricAuthentication.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
 s.name         = "BiometricAuthentication"
-s.version      = "3.1.2"
+s.version      = "3.1.3"
 
 s.summary      = "Use Apple FaceID or TouchID authentication in your app using BiometricAuthentication."
 
@@ -17,7 +17,7 @@ s.license      = { :type => "MIT", :file => "LICENSE" }
 s.author       = { "Rushi Sangani" => "rushisangani@gmail.com" }
 s.source       = { :git => "https://github.com/rushisangani/BiometricAuthentication.git", :tag => "v#{s.version}" }
 
-s.ios.deployment_target = '8.0'
+s.ios.deployment_target = '12.0'
 s.source_files = "BiometricAuthentication/**/*.swift"
 
 s.requires_arc = true
diff --git a/BiometricAuthentication/BiometricAuthentication.xcodeproj/project.pbxproj b/BiometricAuthentication/BiometricAuthentication.xcodeproj/project.pbxproj
index e362153..75cca6e 100644
--- a/BiometricAuthentication/BiometricAuthentication.xcodeproj/project.pbxproj
+++ b/BiometricAuthentication/BiometricAuthentication.xcodeproj/project.pbxproj
@@ -301,7 +301,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				"IPHONEOS_DEPLOYMENT_TARGET[sdk=macosx*]" = 13.1;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 3.1.2;
+				MARKETING_VERSION = 3.1.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.rushi.BiometricAuthentication;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -326,7 +326,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				"IPHONEOS_DEPLOYMENT_TARGET[sdk=macosx*]" = 13.1;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 3.1.2;
+				MARKETING_VERSION = 3.1.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.rushi.BiometricAuthentication;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
diff --git a/Package.swift b/Package.swift
index 5e0e19d..e175cb1 100755
--- a/Package.swift
+++ b/Package.swift
@@ -4,7 +4,7 @@ import PackageDescription
 let package = Package(
     name: "BiometricAuthentication",
     platforms: [
-        .iOS(.v8),
+        .iOS(.v12),
     ],
     products: [
         .library(name: "BiometricAuthentication", targets: ["BiometricAuthentication"])
diff --git a/README.md b/README.md
index 80f16a5..14c4165 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ It's very simple and easy to use that handles Touch ID and Face ID authenticatio
 <string>This app requires Face ID permission to authenticate using Face recognition.</string>
 ```
 
-### What's new in version 3.0
+### What's new in version 3.1
 - Updated to Swift 5.0
 - Implemented **Result** type as completion callback
 
@@ -19,7 +19,7 @@ It's very simple and easy to use that handles Touch ID and Face ID authenticatio
 ```swift
 
 // set this before calling authenticateWithBioMetrics method (optional)
-BioMetricAuthenticator.shared.allowableReuseDuration = 60   //(iOS 9.0 or later)
+BioMetricAuthenticator.shared.allowableReuseDuration = 60
 ```
 
 ### Version 2.1
@@ -38,8 +38,8 @@ BioMetricAuthenticator.shared.allowableReuseDuration = 60   //(iOS 9.0 or later)
 
 ## Requirements
 
-- iOS 8.0+
-- Xcode 8+
+- iOS 12.0+
+- Xcode 10+
 - Swift 3.0+
 
 ## Installation