diff --git a/GCDWebServer.xcodeproj/project.pbxproj b/GCDWebServer.xcodeproj/project.pbxproj
index 7821dd7..21032ed 100644
--- a/GCDWebServer.xcodeproj/project.pbxproj
+++ b/GCDWebServer.xcodeproj/project.pbxproj
@@ -189,6 +189,9 @@
 /* Begin PBXProject section */
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0500;
+			};
 			buildConfigurationList = 1DEB928908733DD80010E9CD /* Build configuration list for PBXProject "GCDWebServer" */;
 			compatibilityVersion = "Xcode 3.2";
 			developmentRegion = English;
@@ -333,6 +336,7 @@
 				E22112771690B4DF0048D2B2 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};