diff --git a/config/pkg/ext/ext-dio.yml b/config/pkg/ext/ext-dio.yml
new file mode 100644
index 00000000..b445940c
--- /dev/null
+++ b/config/pkg/ext/ext-dio.yml
@@ -0,0 +1,9 @@
+ext-dio:
+  type: php-extension
+  artifact:
+    source:
+      type: pecl
+      name: dio
+    metadata:
+      license-files: [LICENSE]
+      license: PHP-3.01
diff --git a/src/Package/Extension/dio.php b/src/Package/Extension/dio.php
new file mode 100644
index 00000000..70ac387e
--- /dev/null
+++ b/src/Package/Extension/dio.php
@@ -0,0 +1,23 @@
+<?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('dio')]
+class dio extends PhpExtensionPackage
+{
+    #[BeforeStage('php', [php::class, 'buildconfForUnix'], 'ext-dio')]
+    public function patchBeforeBuildconf(): void
+    {
+        if (!file_exists("{$this->getSourceDir()}/php_dio.h")) {
+            FileSystem::writeFile("{$this->getSourceDir()}/php_dio.h", FileSystem::readFile("{$this->getSourceDir()}/src/php_dio.h"));
+        }
+    }
+}