diff --git a/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj b/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj
index 59617d1..c679d72 100644
--- a/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj	
+++ b/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj	
@@ -206,7 +206,7 @@
 		F8129BF21591061B009BFE23 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0450;
+				LastUpgradeCheck = 0460;
 			};
 			buildConfigurationList = F8129BF51591061B009BFE23 /* Build configuration list for PBXProject "AFNetworking Mac Example" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -265,6 +265,10 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
@@ -292,6 +296,10 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_C_LANGUAGE_STANDARD = gnu99;