diff --git a/contrib/mobile/iOS/Onelab.xcodeproj/project.pbxproj b/contrib/mobile/iOS/Onelab.xcodeproj/project.pbxproj
index 978dd9f3181de7a1d5a5c0bf691ef10bb407be73..599b7febeaaab42198c043187f0dee08fcb69774 100644
--- a/contrib/mobile/iOS/Onelab.xcodeproj/project.pbxproj
+++ b/contrib/mobile/iOS/Onelab.xcodeproj/project.pbxproj
@@ -273,7 +273,7 @@
 		9C96082D1712C16300E1D4A0 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0460;
+				LastUpgradeCheck = 0500;
 				ORGANIZATIONNAME = "Maxime Graulich";
 				TargetAttributes = {
 					9C9608351712C16300E1D4A0 = {
@@ -375,7 +375,9 @@
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -391,15 +393,19 @@
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 6.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
+				ONLY_ACTIVE_ARCH = YES;
 				PROVISIONING_PROFILE = "";
 				"PROVISIONING_PROFILE[sdk=iphoneos*]" = "";
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = 2;
-				VALID_ARCHS = "armv7 armv7s";
+				VALID_ARCHS = "armv7 arm64";
 			};
 			name = Debug;
 		};
@@ -410,7 +416,9 @@
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -419,17 +427,20 @@
 				COPY_PHASE_STRIP = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 6.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
 				PROVISIONING_PROFILE = "";
 				"PROVISIONING_PROFILE[sdk=iphoneos*]" = "";
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = 2;
 				VALIDATE_PRODUCT = YES;
-				VALID_ARCHS = "armv7 armv7s";
+				VALID_ARCHS = "armv7 arm64";
 			};
 			name = Release;
 		};