diff --git a/app/models/persistent_volume_claim.rb b/app/models/persistent_volume_claim.rb
index a4a4f3496fe..5091da6e5c8 100644
--- a/app/models/persistent_volume_claim.rb
+++ b/app/models/persistent_volume_claim.rb
@@ -3,6 +3,8 @@ class PersistentVolumeClaim < ApplicationRecord
   belongs_to :container_project
   has_many :container_volumes
   serialize :capacity, Hash
+  serialize :requests, Hash
+  serialize :limits, Hash
 
   def persistent_volume
     container_volumes.find_by_type('PersistentVolume')