diff --git a/.changes/macos-secure-coding.md b/.changes/macos-secure-coding.md
new file mode 100644
index 00000000..272b2e31
--- /dev/null
+++ b/.changes/macos-secure-coding.md
@@ -0,0 +1,6 @@
+---
+"tao": patch
+---
+
+Enable macOS secure state restoration on OS versions that support it. This avoids
+'WARNING: Secure coding is not enabled for restorable state!' on macOS Sonoma.
diff --git a/src/platform_impl/macos/app_delegate.rs b/src/platform_impl/macos/app_delegate.rs
index 8cb6c009..6beea942 100644
--- a/src/platform_impl/macos/app_delegate.rs
+++ b/src/platform_impl/macos/app_delegate.rs
@@ -8,7 +8,7 @@ use cocoa::base::id;
 use cocoa::foundation::NSString;
 use objc::{
   declare::ClassDecl,
-  runtime::{Class, Object, Sel},
+  runtime::{Class, Object, Sel, BOOL},
 };
 use std::{
   cell::{RefCell, RefMut},
@@ -54,6 +54,10 @@ lazy_static! {
       sel!(application:openURLs:),
       application_open_urls as extern "C" fn(&Object, Sel, id, id),
     );
+    decl.add_method(
+      sel!(applicationSupportsSecureRestorableState:),
+      application_supports_secure_restorable_state as extern "C" fn(&Object, Sel, id) -> BOOL,
+    );
     decl.add_ivar::<*mut c_void>(AUX_DELEGATE_STATE_NAME);
 
     AppDelegateClass(decl.register())
@@ -120,3 +124,9 @@ extern "C" fn application_open_urls(_: &Object, _: Sel, _: id, urls: id) -> () {
   AppState::open_urls(urls);
   trace!("Completed `application:openURLs:`");
 }
+
+extern "C" fn application_supports_secure_restorable_state(_: &Object, _: Sel, _: id) -> BOOL {
+  trace!("Triggered `applicationSupportsSecureRestorableState`");
+  trace!("Completed `applicationSupportsSecureRestorableState`");
+  objc::runtime::YES
+}