diff --git a/ext/argon2_wrap/extconf.rb b/ext/argon2_wrap/extconf.rb
index f0c8b2c..b6e91a2 100644
--- a/ext/argon2_wrap/extconf.rb
+++ b/ext/argon2_wrap/extconf.rb
@@ -1,4 +1,6 @@
 # frozen_string_literal: true
+
 require 'mkmf'
+
 File.rename('Makefile.real', 'Makefile')
 system "make"