diff --git a/README.md b/README.md
index 975af8b..9a19fe8 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 # CSRF header checking middleware
 
-This package contains a PHP PSR-15 (http-interop) compliant middleware that checks for CSRF attacks.
+This package contains a PHP PSR-15 compliant middleware that checks for CSRF attacks.
 
 It implements the [first OWASP general recommendation for guarding your site against cross-site request forgery (Verifying Same Origin with Standard Headers)](https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)_Prevention_Cheat_Sheet).
 
diff --git a/composer.json b/composer.json
index 2b927da..6841f48 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "thecodingmachine/csrf-header-check-middleware",
-    "description": "A PHP PSR-15 (http-interop) compliant middleware that checks for CSRF attacks.",
+    "description": "A PHP PSR-15 compliant middleware that checks for CSRF attacks.",
     "license": "MIT",
     "authors": [
         {
@@ -9,7 +9,8 @@
         }
     ],
     "require": {
-        "http-interop/http-middleware": "^0.4"
+        "php" : ">=7",
+        "psr/http-server-middleware": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0.2",
@@ -30,7 +31,7 @@
     "prefer-stable": true,
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0.x-dev"
+            "dev-master": "2.0.x-dev"
         }
     }
 }
diff --git a/src/CsrfHeaderCheckMiddleware.php b/src/CsrfHeaderCheckMiddleware.php
index a7e5bba..bc9aadd 100644
--- a/src/CsrfHeaderCheckMiddleware.php
+++ b/src/CsrfHeaderCheckMiddleware.php
@@ -3,10 +3,10 @@
 
 namespace TheCodingMachine\Middlewares;
 
-use Interop\Http\ServerMiddleware\DelegateInterface;
-use Interop\Http\ServerMiddleware\MiddlewareInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
 use TheCodingMachine\Middlewares\OriginFetchers\SourceOriginInterface;
 use TheCodingMachine\Middlewares\OriginFetchers\TargetOriginInterface;
 use TheCodingMachine\Middlewares\SafeRequests\IsSafeHttpRequestInterface;
@@ -50,11 +50,11 @@ public function __construct(IsSafeHttpRequestInterface $isSafeHttpRequest, Targe
      * to the next middleware component to create the response.
      *
      * @param ServerRequestInterface $request
-     * @param DelegateInterface $delegate
+     * @param RequestHandlerInterface $delegate
      * @return ResponseInterface
      * @throws CsrfHeaderCheckMiddlewareException
      */
-    public function process(ServerRequestInterface $request, DelegateInterface $delegate)
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $delegate): ResponseInterface
     {
         $isSafeHttpRequest = $this->isSafeHttpRequest;
         if (!$isSafeHttpRequest($request)) {
@@ -68,6 +68,6 @@ public function process(ServerRequestInterface $request, DelegateInterface $dele
                 throw new CsrfHeaderCheckMiddlewareException('Potential CSRF attack stopped. Source origin and target origin do not match.');
             }
         }
-        return $delegate->process($request);
+        return $delegate->handle($request);
     }
 }
diff --git a/tests/AbstractMiddlewareTest.php b/tests/AbstractMiddlewareTest.php
index 8e1b0c2..d661201 100644
--- a/tests/AbstractMiddlewareTest.php
+++ b/tests/AbstractMiddlewareTest.php
@@ -3,16 +3,17 @@
 
 namespace TheCodingMachine\Middlewares;
 
-use Interop\Http\ServerMiddleware\DelegateInterface;
 use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
 use Zend\Diactoros\Response\TextResponse;
 
 abstract class AbstractMiddlewareTest extends TestCase
 {
-    protected function getDelegate() : DelegateInterface
+    protected function getDelegate() : RequestHandlerInterface
     {
-        return new class implements DelegateInterface {
+        return new class implements RequestHandlerInterface {
 
             /**
              * Dispatch the next available middleware and return the response.
@@ -21,7 +22,7 @@ protected function getDelegate() : DelegateInterface
              *
              * @return ResponseInterface
              */
-            public function process(ServerRequestInterface $request)
+            public function handle(ServerRequestInterface $request):ResponseInterface
             {
                 return new TextResponse('foobar');
             }
diff --git a/tests/CsrfHeaderCheckMiddlewareTest.php b/tests/CsrfHeaderCheckMiddlewareTest.php
index d906e05..95b0391 100644
--- a/tests/CsrfHeaderCheckMiddlewareTest.php
+++ b/tests/CsrfHeaderCheckMiddlewareTest.php
@@ -3,7 +3,6 @@
 
 namespace TheCodingMachine\Middlewares;
 
-use Interop\Http\ServerMiddleware\DelegateInterface;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;