diff --git a/LidAngleSensor.xcodeproj/project.pbxproj b/LidAngleSensor.xcodeproj/project.pbxproj
index eb7e710..f5ffacb 100644
--- a/LidAngleSensor.xcodeproj/project.pbxproj
+++ b/LidAngleSensor.xcodeproj/project.pbxproj
@@ -252,7 +252,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = CG56CG5WCQ;
 				ENABLE_APP_SANDBOX = NO;
-				ENABLE_HARDENED_RUNTIME = NO;
+				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;
@@ -293,7 +293,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = CG56CG5WCQ;
 				ENABLE_APP_SANDBOX = NO;
-				ENABLE_HARDENED_RUNTIME = NO;
+				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;