diff --git a/.swift-version b/.swift-version
index bf77d54..819e07a 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.2
+5.0
diff --git a/Attributed.xcodeproj/project.pbxproj b/Attributed.xcodeproj/project.pbxproj
index 6d69995..52c209b 100644
--- a/Attributed.xcodeproj/project.pbxproj
+++ b/Attributed.xcodeproj/project.pbxproj
@@ -196,27 +196,28 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0810;
-				LastUpgradeCheck = 0940;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = Attributed;
 				TargetAttributes = {
 					AAEE626C1DF8F3690079C70C = {
 						CreatedOnToolsVersion = 8.1;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					AAEE62751DF8F3690079C70C = {
 						CreatedOnToolsVersion = 8.1;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 				};
 			};
 			buildConfigurationList = AAEE62671DF8F3690079C70C /* Build configuration list for PBXProject "Attributed" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
+				Base,
 			);
 			mainGroup = AAEE62631DF8F3690079C70C;
 			productRefGroup = AAEE626E1DF8F3690079C70C /* Products */;
@@ -284,6 +285,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -346,6 +348,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -413,7 +416,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -432,7 +435,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = attributed.Attributed;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -444,7 +447,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = attributed.AttributedTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -456,7 +459,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = attributed.AttributedTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
diff --git a/Attributed.xcodeproj/xcshareddata/xcschemes/Attributed.xcscheme b/Attributed.xcodeproj/xcshareddata/xcschemes/Attributed.xcscheme
index 0f37944..88771fe 100644
--- a/Attributed.xcodeproj/xcshareddata/xcschemes/Attributed.xcscheme
+++ b/Attributed.xcodeproj/xcshareddata/xcschemes/Attributed.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0940"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Attributed/Attributed.swift b/Attributed/Attributed.swift
index 8367e2c..bb60a78 100644
--- a/Attributed/Attributed.swift
+++ b/Attributed/Attributed.swift
@@ -46,7 +46,7 @@ public protocol AttributedCompatible {
 }
 
 public extension AttributedCompatible {
-    public var at: Attributed<Self> {
+    var at: Attributed<Self> {
         return Attributed(self)
     }
 }
diff --git a/Attributed/String+Attributed.swift b/Attributed/String+Attributed.swift
index 267836b..ef02c25 100644
--- a/Attributed/String+Attributed.swift
+++ b/Attributed/String+Attributed.swift
@@ -41,7 +41,7 @@ extension Attributed where Base == String {
 
 public extension Attributed where Base == NSMutableAttributedString {
 
-    public func add(_ attributes: Attributes, to range: NSRange) {
+    func add(_ attributes: Attributes, to range: NSRange) {
         base.addAttributes(attributes.dictionary, range: range)
     }
 
@@ -49,7 +49,7 @@ public extension Attributed where Base == NSMutableAttributedString {
 
 public extension Attributed where Base == NSAttributedString {
 
-    public func modified(with attributes: Attributes, for range: NSRange) -> NSAttributedString {
+    func modified(with attributes: Attributes, for range: NSRange) -> NSAttributedString {
         let string = base as NSAttributedString
 
         let result = NSMutableAttributedString(attributedString: string)
diff --git a/AttributedLib.podspec b/AttributedLib.podspec
index 69d30e0..920632f 100644
--- a/AttributedLib.podspec
+++ b/AttributedLib.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'AttributedLib'
-  s.version          = '2.2.1'
+  s.version          = '3.0.0'
   s.summary          = 'Modern Swift µframework for attributed strings.'
  
   s.description      = <<-DESC
@@ -18,7 +18,7 @@ to `NSAttributedString`.
   s.author           = { 'Nicholas Maccharoli' => 'nmaccharoli@gmail.com' }
   s.source           = { :git => 'https://github.com/Nirma/Attributed.git', :tag => s.version.to_s }
  
-  s.swift_version = "4.2"
+  s.swift_version = "5.0"
   s.ios.deployment_target = '9.0'
   s.source_files = 'Attributed/*.swift'