diff --git a/itchef/cookbooks/cpe_munki/recipes/default.rb b/itchef/cookbooks/cpe_munki/recipes/default.rb
index 80b402e5..99e33dda 100644
--- a/itchef/cookbooks/cpe_munki/recipes/default.rb
+++ b/itchef/cookbooks/cpe_munki/recipes/default.rb
@@ -22,7 +22,7 @@
 cpe_munki_defaults_config 'Manage Defaults Preferences'
 cpe_munki_config 'Manage Munki Settings'
 
-return unless node.gk?('cpe') # rubocop:disable Chef/Meta/AvoidGKUse
+return unless node.shard_over_a_week_starting('2024-03-27')
 cookbook_file 'munki_preflight.py' do
   mode '0755'
   owner node.root_user