diff --git a/src/macosx/stella.xcodeproj/project.pbxproj b/src/macosx/stella.xcodeproj/project.pbxproj
index 1c6528945..66e95b629 100644
--- a/src/macosx/stella.xcodeproj/project.pbxproj
+++ b/src/macosx/stella.xcodeproj/project.pbxproj
@@ -2491,6 +2491,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -2513,7 +2515,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INSTALL_PATH = "@rpath";
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				SDKROOT = macosx;
 				VALID_ARCHS = "i386 x86_64";
 			};
@@ -2523,6 +2525,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -2544,7 +2548,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INSTALL_PATH = "@rpath";
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				SDKROOT = macosx;
 				VALID_ARCHS = "i386 x86_64";
 			};
@@ -2554,6 +2558,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -2571,7 +2577,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INSTALL_PATH = "@rpath";
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				SDKROOT = macosx;
 				VALID_ARCHS = "i386 x86_64";
 			};