diff --git a/lib/n65/version.rb b/lib/n65/version.rb
index 7897e10..fd109e1 100644
--- a/lib/n65/version.rb
+++ b/lib/n65/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module N65
-  VERSION ||= "1.5.3"
+  VERSION ||= '1.5.3'
 end