diff --git a/GCDWebServer.xcodeproj/project.pbxproj b/GCDWebServer.xcodeproj/project.pbxproj
index af91532..18e8927 100644
--- a/GCDWebServer.xcodeproj/project.pbxproj
+++ b/GCDWebServer.xcodeproj/project.pbxproj
@@ -838,7 +838,7 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1010;
+				LastUpgradeCheck = 1030;
 				TargetAttributes = {
 					CEE28CD01AE004D800F4023C = {
 						CreatedOnToolsVersion = 6.3;
@@ -864,13 +864,9 @@
 			};
 			buildConfigurationList = 1DEB928908733DD80010E9CD /* Build configuration list for PBXProject "GCDWebServer" */;
 			compatibilityVersion = "Xcode 8.0";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 1;
 			knownRegions = (
-				English,
-				Japanese,
-				French,
-				German,
 				en,
 				Base,
 			);
diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme
index c74d5d1..aae0b64 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (Mac).xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1030"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme
index 19be9d6..3c0c35b 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (iOS).xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1030"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme
index 5702554..a79d50c 100644
--- a/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme	
+++ b/GCDWebServer.xcodeproj/xcshareddata/xcschemes/GCDWebServers (tvOS).xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1030"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"