diff --git a/db/migrate/20211208085931_update_contact_inbox_foreign_key.rb b/db/migrate/20211208085931_update_contact_inbox_foreign_key.rb
new file mode 100644
index 000000000..100d410d6
--- /dev/null
+++ b/db/migrate/20211208085931_update_contact_inbox_foreign_key.rb
@@ -0,0 +1,12 @@
+class UpdateContactInboxForeignKey < ActiveRecord::Migration[6.1]
+  def change
+    remove_foreign_key :contact_inboxes, :contacts
+    add_foreign_key :contact_inboxes, :contacts, on_delete: :cascade
+
+    remove_foreign_key :contact_inboxes, :inboxes
+    add_foreign_key :contact_inboxes, :inboxes, on_delete: :cascade
+
+    remove_foreign_key :conversations, :contact_inboxes
+    add_foreign_key :conversations, :contact_inboxes, on_delete: :cascade
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5232229ad..b172e2bfd 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_12_07_113102) do
+ActiveRecord::Schema.define(version: 2021_12_08_085931) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -753,10 +753,10 @@ ActiveRecord::Schema.define(version: 2021_12_07_113102) do
   add_foreign_key "agent_bots", "accounts"
   add_foreign_key "campaigns", "accounts"
   add_foreign_key "campaigns", "inboxes"
-  add_foreign_key "contact_inboxes", "contacts"
-  add_foreign_key "contact_inboxes", "inboxes"
+  add_foreign_key "contact_inboxes", "contacts", on_delete: :cascade
+  add_foreign_key "contact_inboxes", "inboxes", on_delete: :cascade
   add_foreign_key "conversations", "campaigns"
-  add_foreign_key "conversations", "contact_inboxes"
+  add_foreign_key "conversations", "contact_inboxes", on_delete: :cascade
   add_foreign_key "conversations", "teams"
   add_foreign_key "csat_survey_responses", "accounts"
   add_foreign_key "csat_survey_responses", "contacts"