diff --git a/src/Package/Extension/xz.php b/src/Package/Extension/xz.php
new file mode 100644
index 00000000..a1f0d88d
--- /dev/null
+++ b/src/Package/Extension/xz.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Extension;
+
+use Package\Target\php;
+use StaticPHP\Attribute\Package\BeforeStage;
+use StaticPHP\Attribute\Package\Extension;
+use StaticPHP\Package\PhpExtensionPackage;
+use StaticPHP\Util\FileSystem;
+
+#[Extension('xz')]
+class xz extends PhpExtensionPackage
+{
+    #[BeforeStage('php', [php::class, 'buildconfForWindows'], 'ext-xz')]
+    public function patchBeforeBuildconf(): void
+    {
+        FileSystem::replaceFileStr($this->getSourceDir() . '/config.w32', 'true', 'PHP_XZ_SHARED');
+    }
+}