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/Logboard.podspec b/Logboard.podspec
index 7b25cf6..5675510 100644
--- a/Logboard.podspec
+++ b/Logboard.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "Logboard"
-  s.version      = "2.1.0"
+  s.version      = "2.1.1"
   s.summary      = "Simple Logging framework"
 
   s.description  = <<-DESC
@@ -27,6 +27,6 @@ Pod::Spec.new do |s|
   s.watchos.deployment_target = "2.0"
   s.watchos.source_files = "Platforms/watchOS/*.{h,swift}"
 
-  s.source_files = "Sources/*.swift"
+  s.source_files = "Sources/**/*.swift"
 
 end
diff --git a/Logboard.xcodeproj/project.pbxproj b/Logboard.xcodeproj/project.pbxproj
index 072d2c9..53cfcaf 100644
--- a/Logboard.xcodeproj/project.pbxproj
+++ b/Logboard.xcodeproj/project.pbxproj
@@ -587,6 +587,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SKIP_INSTALL = YES;
@@ -609,6 +610,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SKIP_INSTALL = YES;
@@ -628,6 +630,7 @@
 				INFOPLIST_FILE = "$(SRCROOT)/Platforms/watchOS/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = watchos;
@@ -650,6 +653,7 @@
 				INFOPLIST_FILE = "$(SRCROOT)/Platforms/watchOS/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = watchos;
@@ -675,6 +679,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = macosx;
@@ -698,6 +703,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = macosx;
@@ -719,6 +725,7 @@
 				INFOPLIST_FILE = "$(SRCROOT)/Platforms/tvOS/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = appletvos;
@@ -742,6 +749,7 @@
 				INFOPLIST_FILE = "$(SRCROOT)/Platforms/tvOS/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MARKETING_VERSION = 2.1.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.github.shogo4405.Logboard;
 				PRODUCT_NAME = Logboard;
 				SDKROOT = appletvos;
diff --git a/Package.swift b/Package.swift
index 276bb8b..44f7629 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,23 +1,15 @@
-// swift-tools-version:5.1
-// The swift-tools-version declares the minimum version of Swift required to build this package.
-
 import PackageDescription
 
 let package = Package(
     name: "Logboard",
     products: [
-        // Products define the executables and libraries produced by a package, and make them visible to other packages.
         .library(
             name: "Logboard",
             targets: ["Logboard"])
     ],
     dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
     ],
     targets: [
-        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
-        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "Logboard",
             dependencies: []),
diff --git a/Platforms/iOS/Info.plist b/Platforms/iOS/Info.plist
index f69838d..ec0cc7b 100644
--- a/Platforms/iOS/Info.plist
+++ b/Platforms/iOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/Platforms/macOS/Info.plist b/Platforms/macOS/Info.plist
index f69838d..ec0cc7b 100644
--- a/Platforms/macOS/Info.plist
+++ b/Platforms/macOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/Platforms/tvOS/Info.plist b/Platforms/tvOS/Info.plist
index f69838d..ec0cc7b 100644
--- a/Platforms/tvOS/Info.plist
+++ b/Platforms/tvOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/Platforms/watchOS/Info.plist b/Platforms/watchOS/Info.plist
index f69838d..ec0cc7b 100644
--- a/Platforms/watchOS/Info.plist
+++ b/Platforms/watchOS/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/README.md b/README.md
index 0d8bff3..f2f0a0c 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 use_frameworks!
 
 def import_pods
-pod 'Logboard', '~> 2.1.0'
+pod 'Logboard', '~> 2.1.1'
 end
 
 target 'Your Target'  do
@@ -43,7 +43,7 @@ end
 ```
 ### Carthage
 ```
-github "shogo4405/Logboard" ~> 2.1.0
+github "shogo4405/Logboard" ~> 2.1.1
 ```
 
 ## Appenders