diff --git a/Gemfile b/Gemfile
index 464be299225..5ea643e3025 100644
--- a/Gemfile
+++ b/Gemfile
@@ -309,7 +309,7 @@ group :test do
   gem "bundler-audit",                                       :require => false
   gem "capybara",                       "~>2.5.0",           :require => false
   gem "db-query-matchers",              "~>0.11.0"
-  gem "factory_bot",                    "~>5.1",             :require => false
+  gem "factory_bot",                    "~>6.5",             :require => false
   gem "simplecov",                      ">=0.21.2",          :require => false
   gem "timecop",                        "~>0.9", "!= 0.9.7", :require => false
   gem "vcr",                            "~>6.1",             :require => false
diff --git a/spec/factories/workflow.rb b/spec/factories/workflow.rb
deleted file mode 100644
index 1538bb4d08f..00000000000
--- a/spec/factories/workflow.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-FactoryBot.define do
-  factory :workflow
-end
diff --git a/spec/factories/workflow_instance.rb b/spec/factories/workflow_instance.rb
deleted file mode 100644
index 64a2e82e8c2..00000000000
--- a/spec/factories/workflow_instance.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-FactoryBot.define do
-  factory :workflow_instance do
-    status { "pending" }
-  end
-end