diff --git a/cortex/pyproject.toml b/cortex/pyproject.toml
index 96d40e8..303efa3 100644
--- a/cortex/pyproject.toml
+++ b/cortex/pyproject.toml
@@ -81,7 +81,7 @@ dependencies = [
 
     # macOS-specific (optional)
     "pyobjc-framework-AVFoundation>=10.1; sys_platform == 'darwin'",
-    "pyobjc-framework-Cocoa>=10.1; sys_platform == 'darwin'",
+    "pyobjc-framework-Cocoa>=12.2; sys_platform == 'darwin'",
     "pyobjc-framework-Quartz>=10.1; sys_platform == 'darwin'",
     "pyobjc-framework-CoreAudio>=10.1; sys_platform == 'darwin'",
     # P0 §3.12: UNUserNotificationCenter for OS-level intervention