diff --git a/modules/mac-settings.nix b/modules/mac-settings.nix
index 65d4b59..88ee95a 100644
--- a/modules/mac-settings.nix
+++ b/modules/mac-settings.nix
@@ -42,5 +42,9 @@
       TrackpadPinch = true;
       TrackpadRightClick = true;
     };
+
+    CustomUserPreferences = {
+      "com.apple.AdLib".allowApplePersonalizedAdvertising = false;
+    };
   };
 }