diff --git a/Exemple/OpenSourceControllerDemo.xcodeproj/project.pbxproj b/Exemple/OpenSourceControllerDemo.xcodeproj/project.pbxproj
index d354f7d..8ea3ec8 100644
--- a/Exemple/OpenSourceControllerDemo.xcodeproj/project.pbxproj
+++ b/Exemple/OpenSourceControllerDemo.xcodeproj/project.pbxproj
@@ -120,12 +120,13 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 0830;
+				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = OpenSourceController;
 				TargetAttributes = {
 					76EAA8601E93F2CC009A41DA = {
 						CreatedOnToolsVersion = 8.3;
 						DevelopmentTeam = 62PP362QNQ;
+						LastSwiftMigration = 0900;
 						ProvisioningStyle = Automatic;
 					};
 				};
@@ -210,7 +211,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -218,7 +221,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -261,7 +268,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -269,7 +278,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -304,7 +317,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.fg.OpenSourceControllerDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -317,7 +331,8 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.fg.OpenSourceControllerDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
diff --git a/Exemple/OpenSourceControllerDemo.xcodeproj/project.xcworkspace/xcuserdata/floriangabach.xcuserdatad/UserInterfaceState.xcuserstate b/Exemple/OpenSourceControllerDemo.xcodeproj/project.xcworkspace/xcuserdata/floriangabach.xcuserdatad/UserInterfaceState.xcuserstate
index ef1f585..c29cf97 100644
Binary files a/Exemple/OpenSourceControllerDemo.xcodeproj/project.xcworkspace/xcuserdata/floriangabach.xcuserdatad/UserInterfaceState.xcuserstate and b/Exemple/OpenSourceControllerDemo.xcodeproj/project.xcworkspace/xcuserdata/floriangabach.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Exemple/OpenSourceControllerDemo.xcodeproj/xcuserdata/floriangabach.xcuserdatad/xcschemes/OpenSourceControllerDemo.xcscheme b/Exemple/OpenSourceControllerDemo.xcodeproj/xcuserdata/floriangabach.xcuserdatad/xcschemes/OpenSourceControllerDemo.xcscheme
index 583bbcb..a244daa 100644
--- a/Exemple/OpenSourceControllerDemo.xcodeproj/xcuserdata/floriangabach.xcuserdatad/xcschemes/OpenSourceControllerDemo.xcscheme
+++ b/Exemple/OpenSourceControllerDemo.xcodeproj/xcuserdata/floriangabach.xcuserdatad/xcschemes/OpenSourceControllerDemo.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -55,6 +56,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Exemple/OpenSourceControllerDemo/Assets.xcassets/AppIcon.appiconset/Contents.json b/Exemple/OpenSourceControllerDemo/Assets.xcassets/AppIcon.appiconset/Contents.json
index 7d20d00..fa62d47 100644
--- a/Exemple/OpenSourceControllerDemo/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/Exemple/OpenSourceControllerDemo/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -101,6 +101,11 @@
       "idiom" : "ipad",
       "filename" : "logo 7.png",
       "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
     }
   ],
   "info" : {
diff --git a/Sources/Controller/OpenSourceViewController.swift b/Sources/Controller/OpenSourceViewController.swift
index ad576f3..497f775 100644
--- a/Sources/Controller/OpenSourceViewController.swift
+++ b/Sources/Controller/OpenSourceViewController.swift
@@ -83,7 +83,7 @@ class OpenSourceViewController: UITableViewController {
             self.navigationController?.navigationBar.barTintColor = tintColor
         }
         if let textColor = self.config.uiConfig.titleColor {
-            let attribut = [NSForegroundColorAttributeName: textColor]
+            let attribut = [NSAttributedStringKey.foregroundColor.rawValue: textColor]  
             self.navigationController?.navigationBar.titleTextAttributes = attribut
         }
 
diff --git a/Sources/Model/LicenceFile.swift b/Sources/Model/LicenceFile.swift
index 57f2fc2..6471ab0 100644
--- a/Sources/Model/LicenceFile.swift
+++ b/Sources/Model/LicenceFile.swift
@@ -37,7 +37,7 @@ public class LicenceFile: NSObject {
     ///
     /// - Parameter completion: end of download handler
     func downloadLicenceDetail(config: OpenSourceControllerConfig,
-                               completion: @escaping (Void) -> Void) {
+                               completion: @escaping () -> Void) {
         if let url = URL(string: self.url) {
             let task = URLSession.shared.dataTask(with: url) { (data, _, _) in
                 if let data = data,
diff --git a/Sources/View/OpenSourceTableViewCell.swift b/Sources/View/OpenSourceTableViewCell.swift
index 6e93987..fa901b4 100644
--- a/Sources/View/OpenSourceTableViewCell.swift
+++ b/Sources/View/OpenSourceTableViewCell.swift
@@ -49,8 +49,8 @@ class OpenSourceTableViewCell: UITableViewCell {
     func configure(licence: LicenceFile, config: OpenSourceControllerConfig) {
 
         // Build attributed text 
-        let libraryTitleAttribut = [NSFontAttributeName: UIFont.boldSystemFont(ofSize: UIFont.systemFontSize + 2)]
-        let libraryLicenceAttribut = [NSFontAttributeName: UIFont.systemFont(ofSize: UIFont.systemFontSize)]
+        let libraryTitleAttribut = [NSAttributedStringKey.font: UIFont.boldSystemFont(ofSize: UIFont.systemFontSize + 2)]
+        let libraryLicenceAttribut = [NSAttributedStringKey.font: UIFont.systemFont(ofSize: UIFont.systemFontSize)]
         let libraryTitle = NSMutableAttributedString(string: licence.title ?? "",
                                                      attributes: libraryTitleAttribut)
         libraryTitle.append(NSAttributedString(string: "\n\n"))