diff --git a/lib/munster.rb b/lib/munster.rb
index 51490b3..465874b 100644
--- a/lib/munster.rb
+++ b/lib/munster.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require_relative "munster/version"
-require_relative "munster/engine" if defined?(Rails)
+require_relative "munster/engine"
 require "active_support/configurable"
 
 module Munster