diff --git a/src/flextype/Support/Parsers/Shortcode.php b/src/flextype/Support/Parsers/Shortcode.php
index 8a5a124f..f509aa6d 100644
--- a/src/flextype/Support/Parsers/Shortcode.php
+++ b/src/flextype/Support/Parsers/Shortcode.php
@@ -15,7 +15,7 @@ use function strings;
 use Thunder\Shortcode\ShortcodeFacade;
 use Exception;
 
-class Shortcode
+final class Shortcode
 {
     /**
      * The Shortcode's instance is stored in a static field. This field is an