diff --git a/lib/custom_wizard/exceptions/exceptions.rb b/lib/custom_wizard/exceptions/exceptions.rb
index 5560efc8..b5014d27 100644
--- a/lib/custom_wizard/exceptions/exceptions.rb
+++ b/lib/custom_wizard/exceptions/exceptions.rb
@@ -1,4 +1,5 @@
+# frozen_string_literal: true
 module CustomWizard
   class SprocketsFileNotFound < StandardError; end
   class SprocketsEmptyPath < StandardError; end
-end
\ No newline at end of file
+end