diff --git a/GPGServices.xcodeproj/project.pbxproj b/GPGServices.xcodeproj/project.pbxproj
index f109055..9ad4203 100644
--- a/GPGServices.xcodeproj/project.pbxproj
+++ b/GPGServices.xcodeproj/project.pbxproj
@@ -499,6 +499,15 @@
 			isa = PBXProject;
 			attributes = {
 				LastUpgradeCheck = 0410;
+				TargetAttributes = {
+					8D1107260486CEB800E47090 = {
+						SystemCapabilities = {
+							com.apple.HardenedRuntime = {
+								enabled = 1;
+							};
+						};
+					};
+				};
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "GPGServices" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -783,6 +792,7 @@
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
+				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(SRCROOT)/Frameworks",
 					"$(SRCROOT)/Dependencies/zipkit/build/$CONFIGURATION",
@@ -811,6 +821,7 @@
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CODE_SIGN_IDENTITY = "";
 				DEPLOYMENT_POSTPROCESSING = YES;
+				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(SRCROOT)/Frameworks",
 					"$(SRCROOT)/Dependencies/zipkit/build/$CONFIGURATION",