diff --git a/Example/Popover.xcodeproj/project.pbxproj b/Example/Popover.xcodeproj/project.pbxproj
index 6baf514..caf6c06 100644
--- a/Example/Popover.xcodeproj/project.pbxproj
+++ b/Example/Popover.xcodeproj/project.pbxproj
@@ -486,6 +486,7 @@
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
@@ -506,6 +507,7 @@
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
diff --git a/Example/Popover.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Example/Popover.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/Example/Popover.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Popover.podspec b/Popover.podspec
index 1fd0887..8e0612b 100644
--- a/Popover.podspec
+++ b/Popover.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "Popover"
-  s.version          = "1.2.2"
+  s.version          = "1.2.3"
   s.summary          = "Popover is a balloon library like facebook app. It is written in pure swift."
   s.homepage         = "https://github.com/corin8823"
   s.license          = { :type => "MIT", :file => "LICENSE" }
@@ -13,6 +13,6 @@ Pod::Spec.new do |s|
 
   s.source_files = 'Classes/*.swift'
   s.pod_target_xcconfig = {
-    'SWIFT_VERSION' => '4.2',
+    'SWIFT_VERSION' => '5.0',
   }
 end
diff --git a/Popover.xcodeproj/project.pbxproj b/Popover.xcodeproj/project.pbxproj
index b5b3ad7..0f758d0 100644
--- a/Popover.xcodeproj/project.pbxproj
+++ b/Popover.xcodeproj/project.pbxproj
@@ -101,21 +101,22 @@
 		72782A4E1C6BE5C3003BA478 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = SimonBS;
 				TargetAttributes = {
 					72782A561C6BE5C3003BA478 = {
 						CreatedOnToolsVersion = 7.2.1;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 					};
 				};
 			};
 			buildConfigurationList = 72782A511C6BE5C3003BA478 /* Build configuration list for PBXProject "Popover" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
+				Base,
 			);
 			mainGroup = 72782A4D1C6BE5C3003BA478;
 			productRefGroup = 72782A581C6BE5C3003BA478 /* Products */;
@@ -153,6 +154,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -201,6 +203,8 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -211,6 +215,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -252,6 +257,8 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -276,8 +283,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -297,8 +303,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = dk.simonbs.Popover;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
diff --git a/Popover.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Popover.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/Popover.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Popover.xcodeproj/xcshareddata/xcschemes/Popover.xcscheme b/Popover.xcodeproj/xcshareddata/xcschemes/Popover.xcscheme
index 2efb09a..dad1867 100644
--- a/Popover.xcodeproj/xcshareddata/xcschemes/Popover.xcscheme
+++ b/Popover.xcodeproj/xcshareddata/xcschemes/Popover.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"