diff --git a/spec/factories/tax_category_factory.rb b/spec/factories/tax_category_factory.rb
index 0cb0f3af4a..5503091437 100644
--- a/spec/factories/tax_category_factory.rb
+++ b/spec/factories/tax_category_factory.rb
@@ -2,7 +2,7 @@
 
 FactoryBot.define do
   factory :tax_category, class: Spree::TaxCategory do
-    name { "TaxCategory - #{rand(999_999)}" }
+    sequence(:name) { |n| "TaxCategory - #{n}" }
     description { generate(:random_string) }
   end
 end
diff --git a/spec/factories/zone_factory.rb b/spec/factories/zone_factory.rb
index 4d4ed09542..95c5ae8ddc 100644
--- a/spec/factories/zone_factory.rb
+++ b/spec/factories/zone_factory.rb
@@ -2,7 +2,7 @@
 
 FactoryBot.define do
   factory :zone, class: Spree::Zone do
-    name { generate(:random_string) }
+    sequence(:name) { |n| "#{generate(:random_string)}#{n}" }
     description { generate(:random_string) }
   end