diff --git a/Package.swift b/Package.swift
index 88395ff..d466db7 100644
--- a/Package.swift
+++ b/Package.swift
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "SwiftCSV",
     platforms: [
-        .macOS("10.10"), .iOS("8.0"), .tvOS("9.2"), .watchOS("2.2")
+        .macOS("10.10"), .iOS("9.0"), .tvOS("9.2"), .watchOS("2.2")
     ],
     products: [
         .library(
diff --git a/SwiftCSV.podspec b/SwiftCSV.podspec
index 25c89dc..d6fa91b 100644
--- a/SwiftCSV.podspec
+++ b/SwiftCSV.podspec
@@ -11,7 +11,7 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/swiftcsv/SwiftCSV.git", :tag => s.version }
   s.swift_versions = [ "5.0", "4.2" ]
 
-  s.ios.deployment_target = "8.0"
+  s.ios.deployment_target = "9.0"
   s.osx.deployment_target = "10.9"
   s.tvos.deployment_target = "9.2"
   s.watchos.deployment_target = "2.2"
diff --git a/SwiftCSV.xcodeproj/project.pbxproj b/SwiftCSV.xcodeproj/project.pbxproj
index 8222c91..349df72 100644
--- a/SwiftCSV.xcodeproj/project.pbxproj
+++ b/SwiftCSV.xcodeproj/project.pbxproj
@@ -421,7 +421,7 @@
 			attributes = {
 				LastSwiftMigration = 0700;
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1200;
 				ORGANIZATIONNAME = "Naoto Kaneko";
 				TargetAttributes = {
 					3D1E59B31945FFAC001CF760 = {
@@ -690,6 +690,7 @@
 				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;
@@ -715,7 +716,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				METAL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -749,6 +750,7 @@
 				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;
@@ -767,7 +769,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				METAL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
diff --git a/SwiftCSV.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/SwiftCSV.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/SwiftCSV.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-iOS.xcscheme b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-iOS.xcscheme
index 19a0942..3e20b3f 100644
--- a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-iOS.xcscheme
+++ b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-iOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,8 +40,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -54,17 +54,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "3D1E59B31945FFAC001CF760"
-            BuildableName = "SwiftCSV.framework"
-            BlueprintName = "SwiftCSV"
-            ReferencedContainer = "container:SwiftCSV.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -85,8 +74,6 @@
             ReferencedContainer = "container:SwiftCSV.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-macOS.xcscheme b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-macOS.xcscheme
index f281302..5408f0c 100644
--- a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-macOS.xcscheme
+++ b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-macOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,17 +40,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "5FB74B901CCB9274009DDBF1"
-            BuildableName = "SwiftCSV.framework"
-            BlueprintName = "SwiftCSV OSX"
-            ReferencedContainer = "container:SwiftCSV.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -71,8 +60,6 @@
             ReferencedContainer = "container:SwiftCSV.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-tvOS.xcscheme b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-tvOS.xcscheme
index f8fa0bf..30ad230 100644
--- a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-tvOS.xcscheme
+++ b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-tvOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,17 +40,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "5FB74BAC1CCB929D009DDBF1"
-            BuildableName = "SwiftCSV.framework"
-            BlueprintName = "SwiftCSV tvOS"
-            ReferencedContainer = "container:SwiftCSV.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -71,8 +60,6 @@
             ReferencedContainer = "container:SwiftCSV.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-watchOS.xcscheme b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-watchOS.xcscheme
index 1a9e624..4918b02 100644
--- a/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-watchOS.xcscheme
+++ b/SwiftCSV.xcodeproj/xcshareddata/xcschemes/SwiftCSV-watchOS.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,12 +26,10 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -52,8 +50,6 @@
             ReferencedContainer = "container:SwiftCSV.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"