diff --git a/CSV.xcodeproj/project.pbxproj b/CSV.xcodeproj/project.pbxproj
index 8111c06..d6c99d7 100755
--- a/CSV.xcodeproj/project.pbxproj
+++ b/CSV.xcodeproj/project.pbxproj
@@ -396,7 +396,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0810;
 				ORGANIZATIONNAME = yaslab;
 				TargetAttributes = {
 					0E7E8C801D0BC7BB0057A1C1 = {
@@ -632,8 +632,10 @@
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -682,8 +684,10 @@
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -714,6 +718,7 @@
 		0E7E8C961D0BC7BB0057A1C1 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -732,6 +737,7 @@
 		0E7E8C971D0BC7BB0057A1C1 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -775,6 +781,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
+				"CODE_SIGN_IDENTITY[sdk=watchos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -796,6 +803,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
+				"CODE_SIGN_IDENTITY[sdk=watchos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -893,6 +901,7 @@
 		0E7E8CFA1D0BCD0B0057A1C1 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -913,6 +922,7 @@
 		0E7E8CFB1D0BCD0B0057A1C1 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=appletvos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
diff --git a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-OSX.xcscheme b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-OSX.xcscheme
index 9589fd3..a529127 100644
--- a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-OSX.xcscheme
+++ b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-OSX.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0810"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-iOS.xcscheme b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-iOS.xcscheme
index 74d73a9..219b57c 100644
--- a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-iOS.xcscheme
+++ b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0810"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-tvOS.xcscheme b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-tvOS.xcscheme
index f6a4668..30766db 100644
--- a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-tvOS.xcscheme
+++ b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0810"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-watchOS.xcscheme b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-watchOS.xcscheme
index 0a83bec..61b7657 100644
--- a/CSV.xcodeproj/xcshareddata/xcschemes/CSV-watchOS.xcscheme
+++ b/CSV.xcodeproj/xcshareddata/xcschemes/CSV-watchOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0810"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"