diff --git a/Socket.IO-Client-Swift.xcodeproj/project.pbxproj b/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
index 73f35a7..6dc4b5c 100644
--- a/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
+++ b/Socket.IO-Client-Swift.xcodeproj/project.pbxproj
@@ -657,7 +657,7 @@
 			attributes = {
 				LastSwiftMigration = 0730;
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0900;
 				TargetAttributes = {
 					572EF2181B51F16C00EEBB58 = {
 						CreatedOnToolsVersion = 6.4;
@@ -667,11 +667,11 @@
 					};
 					572EF2371B51F18A00EEBB58 = {
 						CreatedOnToolsVersion = 6.4;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 					572EF2411B51F18A00EEBB58 = {
 						CreatedOnToolsVersion = 6.4;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 				};
 			};
@@ -958,11 +958,19 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Developer ID Application";
@@ -992,11 +1000,19 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Developer ID Application";
@@ -1038,7 +1054,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@@ -1097,7 +1113,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Distribution";
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@@ -1285,7 +1301,8 @@
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1342,7 +1359,8 @@
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1403,7 +1421,8 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -1454,7 +1473,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -1476,6 +1496,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
@@ -1535,6 +1556,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "iPhone Distribution";
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
diff --git a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-Mac.xcscheme b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-Mac.xcscheme
index ea5febe..d533f78 100644
--- a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-Mac.xcscheme
+++ b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-Mac.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,6 +40,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -69,6 +70,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-iOS.xcscheme b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-iOS.xcscheme
index 74ad40a..34314fe 100644
--- a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-iOS.xcscheme
+++ b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-tvOS.xcscheme b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-tvOS.xcscheme
index bbc6c17..61cbb43 100644
--- a/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-tvOS.xcscheme
+++ b/Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,6 +40,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -69,6 +70,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Source/Starscream b/Source/Starscream
index 4ae6fe9..f7e28f2 160000
--- a/Source/Starscream
+++ b/Source/Starscream
@@ -1 +1 @@
-Subproject commit 4ae6fe995316a49e7ac4ee0aaba9b3a0ba7f774d
+Subproject commit f7e28f24ae20898da5804079319da52682bb9212