diff --git a/Example/LionheartExtensions.xcodeproj/project.pbxproj b/Example/LionheartExtensions.xcodeproj/project.pbxproj
index 39ef9bf..83ff05f 100644
--- a/Example/LionheartExtensions.xcodeproj/project.pbxproj
+++ b/Example/LionheartExtensions.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 48;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -207,8 +207,9 @@
 		607FACC81AFB9204008FA782 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
+				BuildIndependentTargetsInParallel = YES;
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1610;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
@@ -226,10 +227,9 @@
 			};
 			buildConfigurationList = 607FACCB1AFB9204008FA782 /* Build configuration list for PBXProject "LionheartExtensions" */;
 			compatibilityVersion = "Xcode 8.0";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 				Base,
 			);
@@ -412,6 +412,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -422,6 +423,7 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
@@ -473,6 +475,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -484,6 +487,7 @@
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
@@ -498,7 +502,8 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 13.6;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
-				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
 				SWIFT_TREAT_WARNINGS_AS_ERRORS = YES;
 				SWIFT_VERSION = 4.0;
 				VALIDATE_PRODUCT = YES;
@@ -512,7 +517,10 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = 63553QQ62F;
 				INFOPLIST_FILE = LionheartExtensions/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -527,7 +535,10 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = 63553QQ62F;
 				INFOPLIST_FILE = LionheartExtensions/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -550,7 +561,11 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -569,7 +584,11 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
diff --git a/Example/LionheartExtensions.xcodeproj/xcshareddata/xcschemes/LionheartExtensions_Example.xcscheme b/Example/LionheartExtensions.xcodeproj/xcshareddata/xcschemes/LionheartExtensions_Example.xcscheme
index 804c8cc..c433f46 100644
--- a/Example/LionheartExtensions.xcodeproj/xcshareddata/xcschemes/LionheartExtensions_Example.xcscheme
+++ b/Example/LionheartExtensions.xcodeproj/xcshareddata/xcschemes/LionheartExtensions_Example.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1160"
+   LastUpgradeVersion = "1610"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/LionheartExtensions.xcworkspace/contents.xcworkspacedata b/Example/LionheartExtensions.xcworkspace/contents.xcworkspacedata
index 5654c70..ab7ca6c 100644
--- a/Example/LionheartExtensions.xcworkspace/contents.xcworkspacedata
+++ b/Example/LionheartExtensions.xcworkspace/contents.xcworkspacedata
@@ -7,4 +7,7 @@
    <FileRef
       location = "group:Pods/Pods.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "container:../Package.swift">
+   </FileRef>
 </Workspace>
diff --git a/Example/LionheartExtensions.xcworkspace/xcshareddata/xcschemes/LionheartExtensions.xcscheme b/Example/LionheartExtensions.xcworkspace/xcshareddata/xcschemes/LionheartExtensions.xcscheme
index 6db7adc..c0b21b8 100644
--- a/Example/LionheartExtensions.xcworkspace/xcshareddata/xcschemes/LionheartExtensions.xcscheme
+++ b/Example/LionheartExtensions.xcworkspace/xcshareddata/xcschemes/LionheartExtensions.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1160"
+   LastUpgradeVersion = "1610"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/Pods/Pods.xcodeproj/project.pbxproj b/Example/Pods/Pods.xcodeproj/project.pbxproj
index e2a8782..7dbe9da 100644
--- a/Example/Pods/Pods.xcodeproj/project.pbxproj
+++ b/Example/Pods/Pods.xcodeproj/project.pbxproj
@@ -339,7 +339,7 @@
 		7049D9880D947A51B311D9425A48EC24 /* Main.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = Main.swift; path = Pod/Classes/Main.swift; sourceTree = "<group>"; };
 		70B3B431F46E7016BE5F69595243C2AE /* LHSURLStringType.html */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.html.documentation; name = LHSURLStringType.html; path = docs/docsets/LionheartExtensions.docset/Contents/Resources/Documents/Protocols/LHSURLStringType.html; sourceTree = "<group>"; };
 		71519851BE602952F6A8B7F1BD49C47E /* Quick-umbrella.h */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.c.h; path = "Quick-umbrella.h"; sourceTree = "<group>"; };
-		71FBE6FA62439C3A238FBCBF9193A965 /* LionheartExtensions.podspec */ = {isa = PBXFileReference; explicitFileType = text.script.ruby; includeInIndex = 1; indentWidth = 2; path = LionheartExtensions.podspec; sourceTree = "<group>"; tabWidth = 2; xcLanguageSpecificationIdentifier = xcode.lang.ruby; };
+		71FBE6FA62439C3A238FBCBF9193A965 /* LionheartExtensions.podspec */ = {isa = PBXFileReference; explicitFileType = text.script.ruby; includeInIndex = 1; indentWidth = 2; path = LionheartExtensions.podspec; sourceTree = "<group>"; tabWidth = 2; };
 		721033FB74EBCC58DA3D43D45B053734 /* World+DSL.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = "World+DSL.swift"; path = "Sources/Quick/DSL/World+DSL.swift"; sourceTree = "<group>"; };
 		724E9580A502A936023706799E0EDF1F /* NSRegularExpression.html */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.html.documentation; name = NSRegularExpression.html; path = docs/docsets/LionheartExtensions.docset/Contents/Resources/Documents/Extensions/NSRegularExpression.html; sourceTree = "<group>"; };
 		726D96C5E3FE9C70B85B8000AC8AEF9F /* BeVoid.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = BeVoid.swift; path = Sources/Nimble/Matchers/BeVoid.swift; sourceTree = "<group>"; };
diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..dcf06a6
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,30 @@
+// swift-tools-version:5.5
+import PackageDescription
+
+let package = Package(
+    name: "LionheartExtensions",
+    platforms: [
+        .iOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "LionheartExtensions",
+            targets: ["LionheartExtensionsCore"]
+        ),
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "LionheartExtensionsCore",
+            path: "Pod/Classes",
+            sources: ["Core", "*.swift"],
+            swiftSettings: [
+                .define("SWIFT_VERSION", to: "5")
+            ]
+        ),
+        .testTarget(
+            name: "LionheartExtensionsTests",
+            dependencies: ["LionheartExtensionsCore"]
+        ),
+    ]
+)
diff --git a/Pod/Classes/Core/NSDecimalNumber+LionheartExtensions.swift b/Pod/Classes/Core/NSDecimalNumber+LionheartExtensions.swift
index bb72df6..50916dc 100644
--- a/Pod/Classes/Core/NSDecimalNumber+LionheartExtensions.swift
+++ b/Pod/Classes/Core/NSDecimalNumber+LionheartExtensions.swift
@@ -12,7 +12,7 @@ import Foundation
  - source: https://gist.github.com/mattt/1ed12090d7c89f36fd28
  */
 
-extension NSDecimalNumber: Comparable {}
+extension NSDecimalNumber: @retroactive Comparable {}
 
 public extension NSDecimalNumber {
     /// Returns `true` if two `NSDecimalNumber` values are equal, `false` otherwise.
diff --git a/Pod/Classes/Core/String+LionheartExtensions.swift b/Pod/Classes/Core/String+LionheartExtensions.swift
index 111a76d..2aed9d6 100644
--- a/Pod/Classes/Core/String+LionheartExtensions.swift
+++ b/Pod/Classes/Core/String+LionheartExtensions.swift
@@ -23,7 +23,9 @@ public enum VariableNamingFormat {
     case pascalCase
 }
 
-extension CharacterSet: ExpressibleByStringLiteral {
+extension CharacterSet: @retroactive ExpressibleByExtendedGraphemeClusterLiteral {}
+extension CharacterSet: @retroactive ExpressibleByUnicodeScalarLiteral {}
+extension CharacterSet: @retroactive ExpressibleByStringLiteral {
     public typealias StringLiteralType = String
     public typealias UnicodeScalarLiteralType = StringLiteralType
     public typealias ExtendedGraphemeClusterLiteralType = StringLiteralType