diff --git a/src/os/macos/stella.xcodeproj/project.pbxproj b/src/os/macos/stella.xcodeproj/project.pbxproj
index abecbbeb5..b0f039bbd 100644
--- a/src/os/macos/stella.xcodeproj/project.pbxproj
+++ b/src/os/macos/stella.xcodeproj/project.pbxproj
@@ -3182,7 +3182,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1410;
+				LastUpgradeCheck = 1420;
 				ORGANIZATIONNAME = "Stella-emu";
 			};
 			buildConfigurationList = 2D91752109BA903B0026E9FF /* Build configuration list for PBXProject "stella" */;