diff --git a/SCLAlertView.podspec b/SCLAlertView.podspec
index 90c3252..211375c 100644
--- a/SCLAlertView.podspec
+++ b/SCLAlertView.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SCLAlertView"
-  s.version      = "0.5.6"
+  s.version      = "0.5.7"
   s.summary      = "Beautiful Alert View. Written in Swift"
   s.homepage     = "https://github.com/vikmeup/SCLAlertView-Swift"
   s.screenshots  = "https://raw.githubusercontent.com/vikmeup/SCPopUpView/master/errorScreenshot.png", "https://raw.githubusercontent.com/vikmeup/SCPopUpView/master/successScreenshot.png"
diff --git a/SCLAlertView.xcodeproj/project.pbxproj b/SCLAlertView.xcodeproj/project.pbxproj
index 9e43dcc..8cd8ccb 100644
--- a/SCLAlertView.xcodeproj/project.pbxproj
+++ b/SCLAlertView.xcodeproj/project.pbxproj
@@ -185,7 +185,7 @@
 			attributes = {
 				LastSwiftMigration = 0700;
 				LastSwiftUpdateCheck = 0700;
-				LastUpgradeCheck = 0630;
+				LastUpgradeCheck = 0730;
 				ORGANIZATIONNAME = "Alexey Poimtsev";
 				TargetAttributes = {
 					70264EF61B0F588700B32B18 = {
@@ -287,6 +287,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
@@ -366,6 +367,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 			};
@@ -383,6 +385,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 			};
@@ -398,6 +401,7 @@
 				);
 				INFOPLIST_FILE = SCLAlertViewTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Debug;
@@ -408,6 +412,7 @@
 				FRAMEWORK_SEARCH_PATHS = "";
 				INFOPLIST_FILE = SCLAlertViewTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Release;
diff --git a/SCLAlertView.xcodeproj/xcshareddata/xcschemes/SCLAlertView.xcscheme b/SCLAlertView.xcodeproj/xcshareddata/xcschemes/SCLAlertView.xcscheme
index c533dfd..ca95d17 100644
--- a/SCLAlertView.xcodeproj/xcshareddata/xcschemes/SCLAlertView.xcscheme
+++ b/SCLAlertView.xcodeproj/xcshareddata/xcschemes/SCLAlertView.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0630"
+   LastUpgradeVersion = "0730"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -37,10 +37,10 @@
       </BuildActionEntries>
    </BuildAction>
    <TestAction
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      buildConfiguration = "Debug">
+      shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -62,15 +62,18 @@
             ReferencedContainer = "container:SCLAlertView.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
    </TestAction>
    <LaunchAction
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Debug"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
       <MacroExpansion>
          <BuildableReference
@@ -85,10 +88,10 @@
       </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
+      buildConfiguration = "Release"
       shouldUseLaunchSchemeArgsEnv = "YES"
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Release"
       debugDocumentVersioning = "YES">
       <MacroExpansion>
          <BuildableReference
diff --git a/SCLAlertView/Info.plist b/SCLAlertView/Info.plist
index be5e001..60b9c00 100644
--- a/SCLAlertView/Info.plist
+++ b/SCLAlertView/Info.plist
@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
diff --git a/SCLAlertView/SCLAlertView.swift b/SCLAlertView/SCLAlertView.swift
index 2cd9efb..5db9f69 100644
--- a/SCLAlertView/SCLAlertView.swift
+++ b/SCLAlertView/SCLAlertView.swift
@@ -455,7 +455,7 @@ public class SCLAlertView: UIViewController {
         var saturation : CGFloat = 0
         var brightness : CGFloat = 0
         var alpha : CGFloat = 0
-        var pressBrightnessFactor = 0.85
+        let pressBrightnessFactor = 0.85
         btn.backgroundColor?.getHue(&hue, saturation: &saturation, brightness: &brightness, alpha: &alpha)
         brightness = brightness * CGFloat(pressBrightnessFactor)
         btn.backgroundColor = UIColor(hue: hue, saturation: saturation, brightness: brightness, alpha: alpha)
diff --git a/SCLAlertViewTests/Info.plist b/SCLAlertViewTests/Info.plist
index 87c33bc..ba72822 100644
--- a/SCLAlertViewTests/Info.plist
+++ b/SCLAlertViewTests/Info.plist
@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.alec-c4.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>