diff --git a/src/Psr17/ServerRequestFactory.php b/src/Psr17/ServerRequestFactory.php
index <HASH>..<HASH> 100644
--- a/src/Psr17/ServerRequestFactory.php
+++ b/src/Psr17/ServerRequestFactory.php
@@ -13,9 +13,10 @@
 namespace chillerlan\HTTP\Psr17;
 
 use chillerlan\HTTP\Psr7\ServerRequest;
+use Fig\Http\Message\RequestMethodInterface;
 use Psr\Http\Message\{ServerRequestFactoryInterface, ServerRequestInterface};
 
-final class ServerRequestFactory extends RequestFactory implements ServerRequestFactoryInterface{
+final class ServerRequestFactory implements ServerRequestFactoryInterface, RequestMethodInterface{
 
 	/**
 	 * @inheritDoc
:octocat: extending RequestFactory doesn't make much sense