diff --git a/lib/falcon.rb b/lib/falcon.rb
index 7cbfedd2..9ddb1d78 100644
--- a/lib/falcon.rb
+++ b/lib/falcon.rb
@@ -4,3 +4,6 @@
 # Copyright, 2017-2023, by Samuel Williams.
 
 require_relative "falcon/server"
+
+# Falcon, running on Rails, requires specific configuration:
+require_relative "falcon/railtie" if defined?(Rails::Railtie)
diff --git a/lib/falcon/railtie.rb b/lib/falcon/railtie.rb
new file mode 100644
index 00000000..e0452983
--- /dev/null
+++ b/lib/falcon/railtie.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Falcon
+	class Railtie < Rails::Railtie
+		config.active_support.isolation_level = :fiber
+	end
+end