diff --git a/composer.json b/composer.json
index fd6b491..48a5715 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
   },
   "require": {
     "php": "^8.1",
-    "8fold/php-xml-builder": "^1.3"
+    "8fold/php-xml-builder": "^2.0"
   },
   "require-dev": {
     "phpstan/phpstan": "^1.9",
diff --git a/src/Sitemap.php b/src/Sitemap.php
index d6268d1..1c92b6e 100644
--- a/src/Sitemap.php
+++ b/src/Sitemap.php
@@ -3,7 +3,8 @@
 
 namespace Eightfold\Sitemap;
 
-use Eightfold\XMLBuilder\Contracts\Buildable;
+use Stringable;
+// use Eightfold\XMLBuilder\Contracts\Buildable;
 
 use DateTime;
 
@@ -28,7 +29,7 @@
  * 0.3-0.0: FAQs, outdated info, old press releases, completely static pages that
  *          are still relevant enough to keep from deleting entirely.
  */
-class Sitemap implements Buildable
+class Sitemap implements Stringable
 {
     private const SCHEMA_VERSION = 'http://www.sitemaps.org/schemas/sitemap/0.9';
 
@@ -74,11 +75,6 @@ public function addUrl(
         return $this;
     }
 
-    public function build(): string
-    {
-        return (string) $this;
-    }
-
     public function __toString(): string
     {
         return (string) Document::urlset(
diff --git a/src/Url.php b/src/Url.php
index d013738..4833fab 100644
--- a/src/Url.php
+++ b/src/Url.php
@@ -3,7 +3,8 @@
 
 namespace Eightfold\Sitemap;
 
-use Eightfold\XMLBuilder\Contracts\Buildable;
+use Stringable;
+// use Eightfold\XMLBuilder\Contracts\Buildable;
 
 use DateTime;
 
@@ -11,7 +12,7 @@
 
 use Eightfold\Sitemap\Changefreq;
 
-class Url implements Buildable
+class Url implements Stringable
 {
     private Element|string $lastmod = '';
 
@@ -58,11 +59,6 @@ public function withPriority(float $priority): self
         return $this;
     }
 
-    public function build(): string
-    {
-        return (string) $this;
-    }
-
     public function __toString(): string
     {
         return (string) Element::url(