diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index ad60dc1..babc472 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -387,6 +387,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 23;
 				DEVELOPMENT_TEAM = 8M54J5J787;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = phpmon/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -410,6 +411,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 23;
 				DEVELOPMENT_TEAM = 8M54J5J787;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = phpmon/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",