diff --git a/.swift-version b/.swift-version
index fae6e3d04b..819e07a224 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.2.1
+5.0
diff --git a/Cartfile b/Cartfile
index 13e4712928..c123504d05 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1,2 +1,2 @@
-github "jpsim/SourceKitten" ~> 0.23.0
+github "jpsim/SourceKitten" ~> 0.23.1
 github "scottrhoyt/SwiftyTextTable" ~> 0.9.0
diff --git a/Cartfile.resolved b/Cartfile.resolved
index b8dec7ad5b..c84b4efa81 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,7 +1,7 @@
 github "Carthage/Commandant" "0.16.0"
 github "antitypical/Result" "4.1.0"
 github "drmohundro/SWXMLHash" "4.8.0"
-github "jpsim/SourceKitten" "0.23.0"
+github "jpsim/SourceKitten" "0.23.1"
 github "jpsim/Yams" "2.0.0"
 github "jspahrsummers/xcconfigs" "0.12"
 github "scottrhoyt/SwiftyTextTable" "0.9.0"
diff --git a/Carthage/Checkouts/SourceKitten b/Carthage/Checkouts/SourceKitten
index 421a1ec611..4870ca3e99 160000
--- a/Carthage/Checkouts/SourceKitten
+++ b/Carthage/Checkouts/SourceKitten
@@ -1 +1 @@
-Subproject commit 421a1ec6112b83265b63a163107c9b638dc56e86
+Subproject commit 4870ca3e99887a7cd05dd3ba0ac9c5831922e1f3
diff --git a/Makefile b/Makefile
index f3bad17d8c..345ed983ea 100644
--- a/Makefile
+++ b/Makefile
@@ -133,8 +133,8 @@ display_compilation_time:
 
 publish:
 	brew update && brew bump-formula-pr --tag=$(shell git describe --tags) --revision=$(shell git rev-parse HEAD) swiftlint
-	pod trunk push SwiftLintFramework.podspec --swift-version=4.2
-	pod trunk push SwiftLint.podspec --swift-version=4.2
+	pod trunk push SwiftLintFramework.podspec
+	pod trunk push SwiftLint.podspec
 
 get_version:
 	@echo $(VERSION_STRING)
diff --git a/Package.swift b/Package.swift
index 84b5ab87ae..08f81bd22f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,7 +15,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/Carthage/Commandant.git", .upToNextMinor(from: "0.16.0")),
-        .package(url: "https://github.com/jpsim/SourceKitten.git", from: "0.23.0"),
+        .package(url: "https://github.com/jpsim/SourceKitten.git", from: "0.23.1"),
         .package(url: "https://github.com/jpsim/Yams.git", from: "2.0.0"),
         .package(url: "https://github.com/scottrhoyt/SwiftyTextTable.git", from: "0.9.0"),
     ] + (addCryptoSwift ? [.package(url: "https://github.com/krzyzanowskim/CryptoSwift.git", from: "1.0.0")] : []),
diff --git a/README.md b/README.md
index 9efa7b1009..1e246cd54f 100644
--- a/README.md
+++ b/README.md
@@ -213,7 +213,7 @@ Here's a reference of which SwiftLint version to use for a given Swift version.
 | Swift 2.x       | SwiftLint 0.18.1                 |
 | Swift 3.x       | SwiftLint 0.25.1                 |
 | Swift 4.0-4.1.x | SwiftLint 0.28.2                 |
-| Swift 4.2+      | Latest                           |
+| Swift 4.2.x-5.0 | Latest                           |
 
 ## Rules
 
diff --git a/README_CN.md b/README_CN.md
index e851123703..1e8e8528be 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -171,7 +171,7 @@ $ TOOLCHAINS=com.apple.dt.toolchain.Swift_2_3 swiftlint autocorrect
 | Swift 2.x       | SwiftLint 0.18.1            |
 | Swift 3.x       | SwiftLint 0.25.1            |
 | Swift 4.0-4.1.x | SwiftLint 0.28.2            |
-| Swift 4.2+      | 最新的                      |
+| Swift 4.2.x-5.0 | 最新的                      |
 
 ## 规则
 
diff --git a/SwiftLint.podspec b/SwiftLint.podspec
index 9e7d9e94c6..3745b5b453 100644
--- a/SwiftLint.podspec
+++ b/SwiftLint.podspec
@@ -3,9 +3,9 @@ Pod::Spec.new do |s|
   s.version        = `make get_version`
   s.summary        = 'A tool to enforce Swift style and conventions.'
   s.homepage       = 'https://github.com/realm/SwiftLint'
-  s.license        = { :type => 'MIT', :file => 'LICENSE' }
+  s.license        = { type: 'MIT', file: 'LICENSE' }
   s.author         = { 'JP Simard' => 'jp@jpsim.com' }
-  s.source         = { :http => "#{s.homepage}/releases/download/#{s.version}/portable_swiftlint.zip" }
+  s.source         = { http: "#{s.homepage}/releases/download/#{s.version}/portable_swiftlint.zip" }
   s.preserve_paths = '*'
   s.exclude_files  = '**/file.zip'
 end
diff --git a/SwiftLintFramework.podspec b/SwiftLintFramework.podspec
index eb603371a2..d00ba14516 100644
--- a/SwiftLintFramework.podspec
+++ b/SwiftLintFramework.podspec
@@ -3,11 +3,12 @@ Pod::Spec.new do |s|
   s.version             = `make get_version`
   s.summary             = 'A tool to enforce Swift style and conventions.'
   s.homepage            = 'https://github.com/realm/SwiftLint'
-  s.source              = { :git => s.homepage + '.git', :tag => s.version }
-  s.license             = { :type => 'MIT', :file => 'LICENSE' }
+  s.source              = { git: s.homepage + '.git', tag: s.version }
+  s.license             = { type: 'MIT', file: 'LICENSE' }
   s.author              = { 'JP Simard' => 'jp@jpsim.com' }
   s.platform            = :osx, '10.10'
   s.source_files        = 'Source/SwiftLintFramework/**/*.swift'
+  s.swift_version       = '5.0' # TODO: Add Swift 4.2 when CocoaPods 1.7.0 is out.
   s.pod_target_xcconfig = { 'APPLICATION_EXTENSION_API_ONLY' => 'YES' }
   s.dependency            'SourceKittenFramework', '~> 0.23'
   s.dependency            'Yams', '~> 2.0'