diff --git a/composer.json b/composer.json
index fb26977..5be45d9 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "psr/http-server-middleware": "^1.0"
     },
     "require-dev": {
-        "httpsoft/http-request": "^1.0",
+        "httpsoft/http-server-request": "^1.0",
         "phpunit/phpunit": "^9.3",
         "squizlabs/php_codesniffer": "^3.5",
         "vimeo/psalm": "^3.14"
diff --git a/psalm.xml b/psalm.xml
index e202c3d..295b545 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -14,6 +14,8 @@
     </projectFiles>
 
     <issueHandlers>
+        <MixedArgument errorLevel="info" />
+        <MixedArrayAccess errorLevel="info" />
         <MixedArrayOffset errorLevel="info" />
         <MixedReturnTypeCoercion errorLevel="info" />
     </issueHandlers>
diff --git a/src/ErrorResponseGenerator.php b/src/ErrorResponseGenerator.php
index 14755d2..955fd15 100644
--- a/src/ErrorResponseGenerator.php
+++ b/src/ErrorResponseGenerator.php
@@ -6,7 +6,6 @@
 
 use HttpSoft\Response\HtmlResponse;
 use HttpSoft\Response\JsonResponse;
-use HttpSoft\Response\ResponseStatusCodeInterface;
 use HttpSoft\Response\TextResponse;
 use HttpSoft\Response\XmlResponse;
 use Psr\Http\Message\ResponseInterface;
@@ -21,7 +20,7 @@
 use function trim;
 use function uasort;
 
-final class ErrorResponseGenerator implements ErrorResponseGeneratorInterface, ResponseStatusCodeInterface
+final class ErrorResponseGenerator implements ErrorResponseGeneratorInterface
 {
     /**
      * {@inheritDoc}
@@ -31,12 +30,12 @@ public function generate(Throwable $error, ServerRequestInterface $request): Res
         $errorCode = (int) $error->getCode();
         $responseCode = self::STATUS_INTERNAL_SERVER_ERROR;
 
-        if ($errorCode >= 400 && $errorCode < 600 && array_key_exists($errorCode, self::PHRASES)) {
+        if (array_key_exists($errorCode, self::ERROR_PHRASES)) {
             $responseCode = $errorCode;
         }
 
         $requestMimeTypes = $this->getSortedMimeTypesByRequest($request);
-        return $this->getResponse($responseCode, self::PHRASES[$responseCode], $requestMimeTypes);
+        return $this->getResponse($responseCode, self::ERROR_PHRASES[$responseCode], $requestMimeTypes);
     }
 
     /**
diff --git a/src/ErrorResponseGeneratorInterface.php b/src/ErrorResponseGeneratorInterface.php
index 393ab33..a9b06be 100644
--- a/src/ErrorResponseGeneratorInterface.php
+++ b/src/ErrorResponseGeneratorInterface.php
@@ -4,12 +4,63 @@
 
 namespace HttpSoft\ErrorHandler;
 
+use HttpSoft\Response\ResponseStatusCodeInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Throwable;
 
-interface ErrorResponseGeneratorInterface
+interface ErrorResponseGeneratorInterface extends ResponseStatusCodeInterface
 {
+    /**
+     * Map of error HTTP status code and reason phrases.
+     *
+     * @link https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+     */
+    public const ERROR_PHRASES = [
+        // Client Errors 4xx
+        self::STATUS_BAD_REQUEST => 'Bad Request',
+        self::STATUS_UNAUTHORIZED => 'Unauthorized',
+        self::STATUS_PAYMENT_REQUIRED => 'Payment Required',
+        self::STATUS_FORBIDDEN => 'Forbidden',
+        self::STATUS_NOT_FOUND => 'Not Found',
+        self::STATUS_METHOD_NOT_ALLOWED => 'Method Not Allowed',
+        self::STATUS_NOT_ACCEPTABLE => 'Not Acceptable',
+        self::STATUS_PROXY_AUTHENTICATION_REQUIRED => 'Proxy Authentication Required',
+        self::STATUS_REQUEST_TIMEOUT => 'Request Timeout',
+        self::STATUS_CONFLICT => 'Conflict',
+        self::STATUS_GONE => 'Gone',
+        self::STATUS_LENGTH_REQUIRED => 'Length Required',
+        self::STATUS_PRECONDITION_FAILED => 'Precondition Failed',
+        self::STATUS_PAYLOAD_TOO_LARGE => 'Payload Too Large',
+        self::STATUS_URI_TOO_LONG => 'URI Too Long',
+        self::STATUS_UNSUPPORTED_MEDIA_TYPE => 'Unsupported Media Type',
+        self::STATUS_RANGE_NOT_SATISFIABLE => 'Range Not Satisfiable',
+        self::STATUS_EXPECTATION_FAILED => 'Expectation Failed',
+        self::STATUS_IM_A_TEAPOT => 'I\'m a teapot',
+        self::STATUS_MISDIRECTED_REQUEST => 'Misdirected Request',
+        self::STATUS_UNPROCESSABLE_ENTITY => 'Unprocessable Entity',
+        self::STATUS_LOCKED => 'Locked',
+        self::STATUS_FAILED_DEPENDENCY => 'Failed Dependency',
+        self::STATUS_TOO_EARLY => 'Too Early',
+        self::STATUS_UPGRADE_REQUIRED => 'Upgrade Required',
+        self::STATUS_PRECONDITION_REQUIRED => 'Precondition Required',
+        self::STATUS_TOO_MANY_REQUESTS => 'Too Many Requests',
+        self::STATUS_REQUEST_HEADER_FIELDS_TOO_LARGE => 'Request Header Fields Too Large',
+        self::STATUS_UNAVAILABLE_FOR_LEGAL_REASONS => 'Unavailable For Legal Reasons',
+        // Server Errors 5xx
+        self::STATUS_INTERNAL_SERVER_ERROR => 'Internal Server Error',
+        self::STATUS_NOT_IMPLEMENTED => 'Not Implemented',
+        self::STATUS_BAD_GATEWAY => 'Bad Gateway',
+        self::STATUS_SERVICE_UNAVAILABLE => 'Service Unavailable',
+        self::STATUS_GATEWAY_TIMEOUT => 'Gateway Timeout',
+        self::STATUS_VERSION_NOT_SUPPORTED => 'HTTP Version Not Supported',
+        self::STATUS_VARIANT_ALSO_NEGOTIATES => 'Variant Also Negotiates',
+        self::STATUS_INSUFFICIENT_STORAGE => 'Insufficient Storage',
+        self::STATUS_LOOP_DETECTED => 'Loop Detected',
+        self::STATUS_NOT_EXTENDED => 'Not Extended',
+        self::STATUS_NETWORK_AUTHENTICATION_REQUIRED => 'Network Authentication Required',
+    ];
+
     /**
      * Generates an instance of `Psr\Http\Message\ResponseInterface` with information about the handled error.
      *
diff --git a/tests/ErrorHandlerMiddlewareTest.php b/tests/ErrorHandlerMiddlewareTest.php
index 5076a0d..4be64d1 100644
--- a/tests/ErrorHandlerMiddlewareTest.php
+++ b/tests/ErrorHandlerMiddlewareTest.php
@@ -6,7 +6,7 @@
 
 use HttpSoft\ErrorHandler\ErrorHandlerMiddleware;
 use HttpSoft\ErrorHandler\ErrorResponseGeneratorInterface;
-use HttpSoft\Request\ServerRequestFactory;
+use HttpSoft\ServerRequest\ServerRequestCreator;
 use HttpSoft\Response\ResponseStatusCodeInterface;
 use HttpSoft\Tests\ErrorHandler\TestAsset\ErrorRequestHandler;
 use HttpSoft\Tests\ErrorHandler\TestAsset\ThrowableRequestHandler;
@@ -25,6 +25,8 @@
 
 class ErrorHandlerMiddlewareTest extends TestCase implements ResponseStatusCodeInterface
 {
+    private const PHRASES = ErrorResponseGeneratorInterface::ERROR_PHRASES;
+
     /**
      * @var int
      */
@@ -43,7 +45,7 @@ class ErrorHandlerMiddlewareTest extends TestCase implements ResponseStatusCodeI
     public function setUp(): void
     {
         $this->errorHandler = new ErrorHandlerMiddleware();
-        $this->request = ServerRequestFactory::create();
+        $this->request = ServerRequestCreator::create();
         $this->errorReporting = error_reporting();
     }
 
@@ -57,7 +59,7 @@ public function testWithRequestHandlerAndWithStatusOk(): void
         $response = $this->errorHandler->process($this->request, $this->createRequestHandler());
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithRequestHandlerAndWithStatusCreated(): void
@@ -65,7 +67,7 @@ public function testWithRequestHandlerAndWithStatusCreated(): void
         $response = $this->errorHandler->process($this->request, $this->createRequestHandler(self::STATUS_CREATED));
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_CREATED, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_CREATED], $response->getReasonPhrase());
+        $this->assertSame('Created', $response->getReasonPhrase());
     }
 
     public function testWithRequestHandlerAndWithErrorResponseGeneratorMock(): void
@@ -74,7 +76,7 @@ public function testWithRequestHandlerAndWithErrorResponseGeneratorMock(): void
         $response = $errorHandler->process($this->request, $this->createRequestHandler());
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithThrowableRequestHandlerAndWithDefaultError(): void
@@ -112,7 +114,7 @@ public function testWithErrorRequestHandlerAndWithoutCaughtError(): void
         $response = $this->errorHandler->process($this->request, $this->createErrorRequestHandler(E_ERROR));
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithErrorRequestHandlerAndWithCaughtError(): void
@@ -134,7 +136,7 @@ public function testWithRequestHandlerAndWithAdditionOfListeners(): void
 
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
 
         $this->assertFalse($firstListener->triggered());
         $this->assertFalse($secondListener->triggered());
diff --git a/tests/ErrorHandlerTest.php b/tests/ErrorHandlerTest.php
index d626c3a..194cdf4 100644
--- a/tests/ErrorHandlerTest.php
+++ b/tests/ErrorHandlerTest.php
@@ -6,7 +6,7 @@
 
 use HttpSoft\ErrorHandler\ErrorHandler;
 use HttpSoft\ErrorHandler\ErrorResponseGeneratorInterface;
-use HttpSoft\Request\ServerRequestFactory;
+use HttpSoft\ServerRequest\ServerRequestCreator;
 use HttpSoft\Response\ResponseStatusCodeInterface;
 use HttpSoft\Tests\ErrorHandler\TestAsset\ErrorRequestHandler;
 use HttpSoft\Tests\ErrorHandler\TestAsset\ThrowableRequestHandler;
@@ -25,6 +25,8 @@
 
 class ErrorHandlerTest extends TestCase implements ResponseStatusCodeInterface
 {
+    private const PHRASES = ErrorResponseGeneratorInterface::ERROR_PHRASES;
+
     /**
      * @var int
      */
@@ -37,7 +39,7 @@ class ErrorHandlerTest extends TestCase implements ResponseStatusCodeInterface
 
     public function setUp(): void
     {
-        $this->request = ServerRequestFactory::create();
+        $this->request = ServerRequestCreator::create();
         $this->errorReporting = error_reporting();
     }
 
@@ -52,7 +54,7 @@ public function testWithRequestHandlerAndWithStatusOk(): void
         $response = $errorHandler->handle($this->request);
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithRequestHandlerAndWithStatusCreated(): void
@@ -61,7 +63,7 @@ public function testWithRequestHandlerAndWithStatusCreated(): void
         $response = $errorHandler->handle($this->request);
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_CREATED, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_CREATED], $response->getReasonPhrase());
+        $this->assertSame('Created', $response->getReasonPhrase());
     }
 
     public function testWithRequestHandlerAndWithErrorResponseGeneratorMock(): void
@@ -71,7 +73,7 @@ public function testWithRequestHandlerAndWithErrorResponseGeneratorMock(): void
         $response = $errorHandler->handle($this->request);
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithThrowableRequestHandlerAndWithDefaultError(): void
@@ -107,7 +109,7 @@ public function testWithErrorRequestHandlerAndWithoutCaughtError(): void
         $response = $errorHandler->handle($this->request);
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
     }
 
     public function testWithErrorRequestHandlerAndWithCaughtError(): void
@@ -128,7 +130,7 @@ public function testWithRequestHandlerAndWithAdditionOfListeners(): void
 
         $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertSame(self::STATUS_OK, $response->getStatusCode());
-        $this->assertSame(self::PHRASES[self::STATUS_OK], $response->getReasonPhrase());
+        $this->assertSame('OK', $response->getReasonPhrase());
 
         $this->assertFalse($firstListener->triggered());
         $this->assertFalse($secondListener->triggered());
diff --git a/tests/ErrorResponseGeneratorTest.php b/tests/ErrorResponseGeneratorTest.php
index 279bac8..37ff34d 100644
--- a/tests/ErrorResponseGeneratorTest.php
+++ b/tests/ErrorResponseGeneratorTest.php
@@ -6,7 +6,8 @@
 
 use Exception;
 use HttpSoft\ErrorHandler\ErrorResponseGenerator;
-use HttpSoft\Request\ServerRequest;
+use HttpSoft\ErrorHandler\ErrorResponseGeneratorInterface;
+use HttpSoft\Message\ServerRequest;
 use HttpSoft\Response\HtmlResponse;
 use HttpSoft\Response\JsonResponse;
 use HttpSoft\Response\ResponseStatusCodeInterface;
@@ -19,6 +20,8 @@
 
 class ErrorResponseGeneratorTest extends TestCase implements ResponseStatusCodeInterface
 {
+    private const PHRASES = ErrorResponseGeneratorInterface::ERROR_PHRASES;
+
     private ErrorResponseGenerator $generator;
 
     public function setUp(): void
diff --git a/tests/TestAsset/ErrorRequestHandler.php b/tests/TestAsset/ErrorRequestHandler.php
index 6f01576..da119b1 100644
--- a/tests/TestAsset/ErrorRequestHandler.php
+++ b/tests/TestAsset/ErrorRequestHandler.php
@@ -4,7 +4,7 @@
 
 namespace HttpSoft\Tests\ErrorHandler\TestAsset;
 
-use HttpSoft\Response\ResponseFactory;
+use HttpSoft\Message\Response;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
@@ -21,6 +21,6 @@ public function handle(ServerRequestInterface $request): ResponseInterface
     {
         $array = [];
         $array['undefined'];
-        return ResponseFactory::create();
+        return new Response();
     }
 }
diff --git a/tests/TestAsset/RequestHandler.php b/tests/TestAsset/RequestHandler.php
index dd28718..77b0853 100644
--- a/tests/TestAsset/RequestHandler.php
+++ b/tests/TestAsset/RequestHandler.php
@@ -4,7 +4,7 @@
 
 namespace HttpSoft\Tests\ErrorHandler\TestAsset;
 
-use HttpSoft\Response\ResponseFactory;
+use HttpSoft\Message\Response;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
@@ -30,6 +30,6 @@ public function __construct(int $code = null)
      */
     public function handle(ServerRequestInterface $request): ResponseInterface
     {
-        return $this->code ? ResponseFactory::create($this->code) : ResponseFactory::create();
+        return $this->code ? new Response($this->code) : new Response();
     }
 }