diff --git a/itchef/cookbooks/fb_helpers/libraries/node_methods.rb b/itchef/cookbooks/fb_helpers/libraries/node_methods.rb
index b7ef7dc9..411f9fdc 100644
--- a/itchef/cookbooks/fb_helpers/libraries/node_methods.rb
+++ b/itchef/cookbooks/fb_helpers/libraries/node_methods.rb
@@ -387,6 +387,10 @@ def macos14?
       macos? && node['platform_version'].start_with?('14.')
     end
 
+    def macos15?
+      macos? && node['platform_version'].start_with?('15.')
+    end
+
     def mac_mini_2014?
       macos? && node['hardware']['machine_model'] == 'Macmini7,1'
     end