diff --git a/module/Rest/test/Middleware/ShortUrl/DefaultShortCodesLengthMiddlewareTest.php b/module/Rest/test/Middleware/ShortUrl/DefaultShortCodesLengthMiddlewareTest.php
index 7f61830c..f7a647b1 100644
--- a/module/Rest/test/Middleware/ShortUrl/DefaultShortCodesLengthMiddlewareTest.php
+++ b/module/Rest/test/Middleware/ShortUrl/DefaultShortCodesLengthMiddlewareTest.php
@@ -7,10 +7,8 @@ namespace ShlinkioTest\Shlink\Rest\Middleware\ShortUrl;
 use Laminas\Diactoros\Response;
 use Laminas\Diactoros\ServerRequestFactory;
 use PHPUnit\Framework\Assert;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
 use Shlinkio\Shlink\Core\ShortUrl\Model\Validation\ShortUrlInputFilter;
@@ -18,14 +16,12 @@ use Shlinkio\Shlink\Rest\Middleware\ShortUrl\DefaultShortCodesLengthMiddleware;
 
 class DefaultShortCodesLengthMiddlewareTest extends TestCase
 {
-    use ProphecyTrait;
-
     private DefaultShortCodesLengthMiddleware $middleware;
-    private ObjectProphecy $handler;
+    private MockObject $handler;
 
     protected function setUp(): void
     {
-        $this->handler = $this->prophesize(RequestHandlerInterface::class);
+        $this->handler = $this->createMock(RequestHandlerInterface::class);
         $this->middleware = new DefaultShortCodesLengthMiddleware(8);
     }
 
@@ -36,17 +32,17 @@ class DefaultShortCodesLengthMiddlewareTest extends TestCase
     public function defaultValueIsInjectedInBodyWhenNotProvided(array $body, int $expectedLength): void
     {
         $request = ServerRequestFactory::fromGlobals()->withParsedBody($body);
-        $handle = $this->handler->handle(Argument::that(function (ServerRequestInterface $req) use ($expectedLength) {
-            $parsedBody = $req->getParsedBody();
-            Assert::assertArrayHasKey(ShortUrlInputFilter::SHORT_CODE_LENGTH, $parsedBody);
-            Assert::assertEquals($expectedLength, $parsedBody[ShortUrlInputFilter::SHORT_CODE_LENGTH]);
+        $this->handler->expects($this->once())->method('handle')->with($this->callback(
+            function (ServerRequestInterface $req) use ($expectedLength) {
+                $parsedBody = $req->getParsedBody();
+                Assert::assertArrayHasKey(ShortUrlInputFilter::SHORT_CODE_LENGTH, $parsedBody);
+                Assert::assertEquals($expectedLength, $parsedBody[ShortUrlInputFilter::SHORT_CODE_LENGTH]);
 
-            return $req;
-        }))->willReturn(new Response());
+                return true;
+            },
+        ))->willReturn(new Response());
 
-        $this->middleware->process($request, $this->handler->reveal());
-
-        $handle->shouldHaveBeenCalledOnce();
+        $this->middleware->process($request, $this->handler);
     }
 
     public function provideBodies(): iterable