diff --git a/KPCTabsControl.xcodeproj/project.pbxproj b/KPCTabsControl.xcodeproj/project.pbxproj
index 6c35f0f..18854e5 100644
--- a/KPCTabsControl.xcodeproj/project.pbxproj
+++ b/KPCTabsControl.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 48;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -358,8 +358,9 @@
 		9F2155AC1A002E6C00819BDF /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
+				BuildIndependentTargetsInParallel = YES;
 				LastSwiftUpdateCheck = 1010;
-				LastUpgradeCheck = 1220;
+				LastUpgradeCheck = 1500;
 				ORGANIZATIONNAME = "Cédric Foellmi";
 				TargetAttributes = {
 					9F45CD8F1D396D4200149654 = {
@@ -531,6 +532,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -586,6 +588,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = YES;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -600,7 +603,8 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
-				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
 				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
@@ -612,10 +616,14 @@
 				CLANG_ANALYZER_NONNULL = YES;
 				CODE_SIGN_IDENTITY = "-";
 				COMBINE_HIDPI_IMAGES = YES;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				GCC_NO_COMMON_BLOCKS = YES;
 				INFOPLIST_FILE = KPCTabsControlDemo/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.onekiloparsec.KPCTabsControlDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -630,9 +638,13 @@
 				CODE_SIGN_IDENTITY = "-";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				INFOPLIST_FILE = KPCTabsControlDemo/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.onekiloparsec.KPCTabsControlDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -644,10 +656,12 @@
 				CLANG_ENABLE_MODULES = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
+				DEAD_CODE_STRIPPING = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_MODULE_VERIFIER = YES;
 				FRAMEWORK_VERSION = A;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
@@ -655,8 +669,14 @@
 				);
 				INFOPLIST_FILE = KPCTabsControl/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/Frameworks",
+				);
 				MARKETING_VERSION = 5.0.0;
+				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
+				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu99 gnu++11";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.onekiloparsec.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -673,15 +693,23 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
+				DEAD_CODE_STRIPPING = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_MODULE_VERIFIER = YES;
 				FRAMEWORK_VERSION = A;
 				INFOPLIST_FILE = KPCTabsControl/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/Frameworks",
+				);
 				MARKETING_VERSION = 5.0.0;
+				MODULE_VERIFIER_SUPPORTED_LANGUAGES = "objective-c objective-c++";
+				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu99 gnu++11";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.onekiloparsec.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -701,10 +729,15 @@
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = KPCTabsControlTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/../Frameworks",
+				);
 				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
@@ -727,9 +760,14 @@
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = KPCTabsControlTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/../Frameworks",
+				);
 				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.onekiloparsec.KPCTabsControlTests;
diff --git a/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControl.xcscheme b/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControl.xcscheme
index 1b8e79b..c981b03 100644
--- a/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControl.xcscheme
+++ b/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControl.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1220"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControlDemo.xcscheme b/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControlDemo.xcscheme
index 420b05f..bff4bee 100644
--- a/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControlDemo.xcscheme
+++ b/KPCTabsControl.xcodeproj/xcshareddata/xcschemes/KPCTabsControlDemo.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1220"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"