diff --git a/patches/squirrel.mac/.patches b/patches/squirrel.mac/.patches
index c36e985935b7..b6b24976e8c7 100644
--- a/patches/squirrel.mac/.patches
+++ b/patches/squirrel.mac/.patches
@@ -4,5 +4,5 @@ fix_use_kseccschecknestedcode_kseccsstrictvalidate_in_the_sec.patch
 feat_add_new_squirrel_mac_bundle_installation_method_behind_flag.patch
 refactor_use_posix_spawn_instead_of_nstask_so_we_can_disclaim_the.patch
 fix_abort_installation_attempt_at_the_final_mile_if_the_app_is.patch
-chore_disable_api_deprecation_warnings_in_nskeyedarchiver.patch
 feat_add_ability_to_prevent_version_downgrades.patch
+refactor_use_non-deprecated_nskeyedarchiver_apis.patch
diff --git a/patches/squirrel.mac/chore_disable_api_deprecation_warnings_in_nskeyedarchiver.patch b/patches/squirrel.mac/chore_disable_api_deprecation_warnings_in_nskeyedarchiver.patch
deleted file mode 100644
index c4760ca747cc..000000000000
--- a/patches/squirrel.mac/chore_disable_api_deprecation_warnings_in_nskeyedarchiver.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Shelley Vohr <shelley.vohr@gmail.com>
-Date: Thu, 22 Jun 2023 12:52:10 +0200
-Subject: chore: disable API deprecation warnings in NSKeyedArchiver
-
-This should be updated to use the newer APIs.
-
-Upstream PR at https://github.com/Squirrel/Squirrel.Mac/pull/273
-
-diff --git a/Squirrel/SQRLInstaller.m b/Squirrel/SQRLInstaller.m
-index f502df2f88424ea902a061adfeb30358daf212e4..a18fedc3e47eb9c8bb7afc42aeab7cef3df742a3 100644
---- a/Squirrel/SQRLInstaller.m
-+++ b/Squirrel/SQRLInstaller.m
-@@ -182,14 +182,20 @@ - (SQRLInstallerOwnedBundle *)ownedBundle {
- 	id archiveData = CFBridgingRelease(CFPreferencesCopyValue((__bridge CFStringRef)SQRLInstallerOwnedBundleKey, (__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost));
- 	if (![archiveData isKindOfClass:NSData.class]) return nil;
- 
-+#pragma clang diagnostic push
-+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
- 	SQRLInstallerOwnedBundle *ownedBundle = [NSKeyedUnarchiver unarchiveObjectWithData:archiveData];
- 	if (![ownedBundle isKindOfClass:SQRLInstallerOwnedBundle.class]) return nil;
-+#pragma clang diagnostic pop
- 
- 	return ownedBundle;
- }
- 
- - (void)setOwnedBundle:(SQRLInstallerOwnedBundle *)ownedBundle {
-+#pragma clang diagnostic push
-+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
- 	NSData *archiveData = (ownedBundle == nil ? nil : [NSKeyedArchiver archivedDataWithRootObject:ownedBundle]);
-+#pragma clang diagnostic pop
- 	CFPreferencesSetValue((__bridge CFStringRef)SQRLInstallerOwnedBundleKey, (__bridge CFPropertyListRef)archiveData, (__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
- 	CFPreferencesSynchronize((__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
- }
diff --git a/patches/squirrel.mac/refactor_use_non-deprecated_nskeyedarchiver_apis.patch b/patches/squirrel.mac/refactor_use_non-deprecated_nskeyedarchiver_apis.patch
new file mode 100644
index 000000000000..c18ba2b778a5
--- /dev/null
+++ b/patches/squirrel.mac/refactor_use_non-deprecated_nskeyedarchiver_apis.patch
@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shelley Vohr <shelley.vohr@gmail.com>
+Date: Thu, 22 Jun 2023 12:26:24 +0200
+Subject: refactor: use non-deprecated NSKeyedArchiver APIs
+
+Refs https://chromium-review.googlesource.com/c/chromium/src/+/4628901
+
+Several NSKeyedArchiver methods have been deprecated and replaced as of macOS 10.13:
+
+- unarchiveObjectWithData -> unarchivedObjectOfClass:fromData:error:
+- archivedDataWithRootObject -> archivedDataWithRootObject:requiringSecureCoding:error:
+
+diff --git a/Squirrel/SQRLInstaller.m b/Squirrel/SQRLInstaller.m
+index f502df2f88424ea902a061adfeb30358daf212e4..8db6406ec7f0cb51140ea2ee39c04f91626f6e18 100644
+--- a/Squirrel/SQRLInstaller.m
++++ b/Squirrel/SQRLInstaller.m
+@@ -182,14 +182,30 @@ - (SQRLInstallerOwnedBundle *)ownedBundle {
+ 	id archiveData = CFBridgingRelease(CFPreferencesCopyValue((__bridge CFStringRef)SQRLInstallerOwnedBundleKey, (__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost));
+ 	if (![archiveData isKindOfClass:NSData.class]) return nil;
+ 
+-	SQRLInstallerOwnedBundle *ownedBundle = [NSKeyedUnarchiver unarchiveObjectWithData:archiveData];
+-	if (![ownedBundle isKindOfClass:SQRLInstallerOwnedBundle.class]) return nil;
++	NSError *error;
++	SQRLInstallerOwnedBundle *ownedBundle = [NSKeyedUnarchiver unarchivedObjectOfClass:[SQRLInstallerOwnedBundle class]
++																																						fromData:archiveData
++																																						  error:&error];
++	if (error) {
++		NSLog(@"Couldn't unarchive ownedBundle - %@", error.localizedDescription);
++		return nil;
++	}
+ 
+ 	return ownedBundle;
+ }
+ 
+ - (void)setOwnedBundle:(SQRLInstallerOwnedBundle *)ownedBundle {
+-	NSData *archiveData = (ownedBundle == nil ? nil : [NSKeyedArchiver archivedDataWithRootObject:ownedBundle]);
++	NSData *archiveData = nil;
++	if (ownedBundle != nil) {
++		NSError *error;
++		archiveData = [NSKeyedArchiver archivedDataWithRootObject:ownedBundle
++													requiringSecureCoding:NO
++																					error:&error];
++
++		if (error)
++			NSLog(@"Couldn't archive ownedBundle - %@", error.localizedDescription);
++	}
++
+ 	CFPreferencesSetValue((__bridge CFStringRef)SQRLInstallerOwnedBundleKey, (__bridge CFPropertyListRef)archiveData, (__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
+ 	CFPreferencesSynchronize((__bridge CFStringRef)self.applicationIdentifier, kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
+ }