diff --git a/.travis.yml b/.travis.yml
index 4997cc4..6a9557e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode10.2
+osx_image: xcode11
 
 env:
   - ACTION=test  PLATFORM=Mac     DESTINATION='platform=macOS'
diff --git a/SnapKit.xcodeproj/project.pbxproj b/SnapKit.xcodeproj/project.pbxproj
index ec9c269..737b3e7 100644
--- a/SnapKit.xcodeproj/project.pbxproj
+++ b/SnapKit.xcodeproj/project.pbxproj
@@ -311,7 +311,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1100;
 				ORGANIZATIONNAME = "SnapKit Team";
 				TargetAttributes = {
 					EEBCC9D719CC627D0083B827 = {
@@ -327,10 +327,9 @@
 			};
 			buildConfigurationList = DDC9FD901981B4DD009612C7 /* Build configuration list for PBXProject "SnapKit" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 				Base,
 			);
@@ -421,6 +420,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -480,6 +480,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
diff --git a/SnapKit.xcodeproj/xcshareddata/xcschemes/SnapKit.xcscheme b/SnapKit.xcodeproj/xcshareddata/xcschemes/SnapKit.xcscheme
index 48ec452..5532fe0 100644
--- a/SnapKit.xcodeproj/xcshareddata/xcschemes/SnapKit.xcscheme
+++ b/SnapKit.xcodeproj/xcshareddata/xcschemes/SnapKit.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1100"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,6 +27,15 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "EEBCC9D719CC627D0083B827"
+            BuildableName = "SnapKit.framework"
+            BlueprintName = "SnapKit"
+            ReferencedContainer = "container:SnapKit.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -39,17 +48,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "EEBCC9D719CC627D0083B827"
-            BuildableName = "SnapKit.framework"
-            BlueprintName = "SnapKit"
-            ReferencedContainer = "container:SnapKit.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -70,8 +68,6 @@
             ReferencedContainer = "container:SnapKit.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"