diff --git a/features/support/factories.rb b/features/support/factories.rb
index 757b972..aa848bd 100644
--- a/features/support/factories.rb
+++ b/features/support/factories.rb
@@ -1,6 +1,6 @@
 ActiveRecord::Base.establish_connection(
   adapter: "sqlite3",
-  database: File.join(File.dirname(__FILE__), "test.db"),
+  database: ":memory:",
 )
 
 migration_class =
diff --git a/spec/support/macros/define_constant.rb b/spec/support/macros/define_constant.rb
index 90f84c8..e140cf3 100644
--- a/spec/support/macros/define_constant.rb
+++ b/spec/support/macros/define_constant.rb
@@ -57,7 +57,7 @@ RSpec.configure do |config|
   config.before(:all) do
     ActiveRecord::Base.establish_connection(
       adapter:  "sqlite3",
-      database: File.join(File.dirname(__FILE__), "test.db"),
+      database: ":memory:",
     )
   end