diff --git a/.travis.yml b/.travis.yml
index 2c8bbfd..eea6797 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,9 @@
 language: php
 
 php:
-  - 5.4
-  - 5.5
   - 5.6
+  - 7.0
+  - 7.1
 
 env:
   global:
@@ -13,10 +13,10 @@ matrix:
   fast_finish: true
 
   include:
-  - php: 5.4
+  - php: 5.6
     env: PHPCS=1 DEFAULT=0
 
-  - php: 5.4
+  - php: 5.6
     env: COVERALLS=1 DEFAULT=0
 
 install:
diff --git a/README.md b/README.md
index 7129194..a3614e5 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,8 @@ A plugin to generate Excel files with CakePHP.
 
 ## Requirements
 
-* CakePHP 3.x
-* PHP 5.4.16 or greater
+* CakePHP 3.6
+* PHP 5.6.0 or greater
 * Patience
 
 ## Installation
@@ -60,7 +60,7 @@ Finally, you can link to the current page with the .xlsx extension. This assumes
 $this->Html->link('Excel file', ['_ext' => 'xlsx']);
 ```
 
-Inside your view file you will have access to the PHPExcel library with `$this->PhpExcel`. Please see the [PHPExcel](https://github.com/PHPOffice/PHPExcel) documentation for a guide on how to use PHPExcel.
+Inside your view file you will have access to the PhpSpreadsheet library with `$this->Spreadsheet`. Please see the [PhpSpreadsheet](https://github.com/PHPOffice/phpspreadsheet) documentation for a guide on how to use PhpSpreadsheet.
 
 ## License
 
diff --git a/composer.json b/composer.json
index 9538d81..41caba4 100644
--- a/composer.json
+++ b/composer.json
@@ -23,12 +23,12 @@
         }
     ],
     "require": {
-        "php": ">=5.4.16",
-        "cakephp/cakephp": "~3.1",
-        "phpoffice/phpexcel": "~1.8"
+        "php": ">=5.6.0",
+        "cakephp/cakephp": "^3.6",
+        "phpoffice/phpspreadsheet": "^1.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "4.1.*"
+        "phpunit/phpunit": "^5.7.14|^6.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/config/bootstrap.php b/config/bootstrap.php
index e3e9c63..d3e39c4 100644
--- a/config/bootstrap.php
+++ b/config/bootstrap.php
@@ -1,16 +1,17 @@
 <?php
 use Cake\Event\EventManager;
 use Cake\Event\Event;
-use Cake\Network\Request;
+use Cake\Http\ServerRequest;
+
 
 EventManager::instance()->on('Controller.initialize', function (Event $event) {
-    $controller = $event->subject();
+    $controller = $event->getSubject();
     if ($controller->components()->has('RequestHandler')) {
-        $controller->RequestHandler->config('viewClassMap.xlsx', 'CakeExcel.Excel');
+        $controller->RequestHandler->setConfig('viewClassMap.xlsx', 'CakeExcel.Excel');
     }
 });
 
-Request::addDetector('xlsx', [
+ServerRequest::addDetector('xlsx', [
     'accept' => ['application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'],
     'param' => '_ext',
     'value' => 'xlsx'
diff --git a/src/View/ExcelView.php b/src/View/ExcelView.php
index 5e59966..c136f5e 100644
--- a/src/View/ExcelView.php
+++ b/src/View/ExcelView.php
@@ -1,14 +1,13 @@
 <?php
 namespace CakeExcel\View;
 
-use Cake\Core\Exception\Exception;
 use Cake\Event\EventManager;
-use Cake\Network\Request;
-use Cake\Network\Response;
-use Cake\Utility\Inflector;
+use Cake\Http\Response;
+use Cake\Http\ServerRequest;
+use Cake\Utility\Text;
 use Cake\View\View;
-use PHPExcel;
-use PHPExcel_IOFactory;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
 
 /**
  * @package  Cake.View
@@ -31,10 +30,11 @@ class ExcelView extends View
     public $subDir = 'xlsx';
 
     /**
-     * PHPExcel instance
-     * @var PhpExcel
+     * Spreadsheet instance
+     *
+     * @var Spreadsheet
      */
-    public $PhpExcel = null;
+    public $Spreadsheet = null;
 
     /**
      * Constructor
@@ -45,7 +45,7 @@ class ExcelView extends View
      * @param array $viewOptions An array of view options
      */
     public function __construct(
-        Request $request = null,
+        ServerRequest $request = null,
         Response $response = null,
         EventManager $eventManager = null,
         array $viewOptions = []
@@ -59,34 +59,51 @@ public function __construct(
         if (isset($viewOptions['name']) && $viewOptions['name'] == 'Error') {
             $this->subDir = null;
             $this->layoutPath = null;
-            $response->type('html');
+            $this->response = $this->response->withType('html');
 
             return;
         }
 
         if ($response && $response instanceof Response) {
-            $response->type('xlsx');
+            $this->response = $this->response->withType('xlsx');
+        }
+
+        $this->Spreadsheet = new Spreadsheet();
+    }
+
+    /**
+     * Magic accessor for helpers. Backward compatibility for PHPExcel property
+     *
+     * @param string $name Name of the attribute to get.
+     *
+     * @return mixed
+     */
+    public function __get($name)
+    {
+        if ($name === 'PhpExcel') {
+            return $this->Spreadsheet;
         }
 
-        $this->PhpExcel = new PHPExcel();
+        return parent::__get($name);
     }
 
     /**
      * Render method
      *
-     * @param string $view The view being rendered.
-     * @param string $layout The layout being rendered.
-     * @return string The rendered view.
+     * @param string|false|null $view Name of view file to use
+     * @param string|null $layout Layout to use.
+     * @return string|null Rendered content or null if content already rendered and returned earlier.
+     * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception
      */
     public function render($view = null, $layout = null)
     {
         $content = parent::render($view, $layout);
-        if ($this->response->type() == 'text/html') {
+        if ($this->response->getType() == 'text/html') {
             return $content;
         }
 
         $this->Blocks->set('content', $this->output());
-        $this->response->download($this->getFilename());
+        $this->response = $this->response->withDownload($this->getFilename());
 
         return $this->Blocks->get('content');
     }
@@ -95,17 +112,13 @@ public function render($view = null, $layout = null)
      * Generates the binary excel data
      *
      * @return string
-     * @throws CakeException If the excel writer does not exist
+     * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception
      */
     protected function output()
     {
         ob_start();
 
-        $writer = PHPExcel_IOFactory::createWriter($this->PhpExcel, 'Excel2007');
-
-        if (!isset($writer)) {
-            throw new Exception('Excel writer not found');
-        }
+        $writer = new Xlsx($this->Spreadsheet);
 
         $writer->setPreCalculateFormulas(false);
         $writer->setIncludeCharts(true);
@@ -127,6 +140,6 @@ public function getFilename()
             return $this->viewVars['_filename'] . '.xlsx';
         }
 
-        return Inflector::slug(str_replace('.xlsx', '', $this->request->url)) . '.xlsx';
+        return Text::slug(str_replace('.xlsx', '', $this->request->getRequestTarget())) . '.xlsx';
     }
 }
diff --git a/tests/TestCase/View/ExcelViewTest.php b/tests/TestCase/View/ExcelViewTest.php
index 7ece6c7..f186c4c 100644
--- a/tests/TestCase/View/ExcelViewTest.php
+++ b/tests/TestCase/View/ExcelViewTest.php
@@ -1,11 +1,11 @@
 <?php
 namespace CakeExcel\Test\TestCase\View;
 
+use Cake\Http\Response;
+use Cake\Http\ServerRequest;
 use CakeExcel\View\ExcelView;
-use Cake\Network\Request;
-use Cake\Network\Response;
 use Cake\TestSuite\TestCase;
-use PHPExcel;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
 
 /**
  * CsvViewTest
@@ -15,6 +15,11 @@ class ExcelViewTest extends TestCase
 
     public $fixtures = ['core.Articles', 'core.Authors'];
 
+    /**
+     * @var ExcelView
+     */
+    public $View;
+
     /**
      * setup callback
      *
@@ -22,7 +27,7 @@ class ExcelViewTest extends TestCase
      */
     public function setUp()
     {
-        $this->request = new Request([
+        $this->request = new ServerRequest([
             'params' => [
                 'plugin' => null,
                 'controller' => 'posts',
@@ -48,14 +53,16 @@ public function tearDown()
      */
     public function testConstruct()
     {
-        $result = $this->View->response->type();
+        $result = $this->View->response->getType();
         $this->assertEquals('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', $result);
-        $this->assertTrue($this->View->PhpExcel instanceof PHPExcel);
+        $this->assertTrue($this->View->Spreadsheet instanceof Spreadsheet);
+        $this->assertSame($this->View->PhpExcel, $this->View->Spreadsheet);
     }
 
     public function testRender()
     {
-        $this->View->name = $this->View->viewPath = 'Posts';
+        $this->View->setTemplatePath('Posts');
+        $this->View->name = 'Posts';
 
         $output = $this->View->render('index');
         $this->assertSame('504b030414', bin2hex(substr($output, 0, 5)));
diff --git a/tests/test_app/TestApp/Template/Posts/xlsx/index.ctp b/tests/test_app/TestApp/Template/Posts/xlsx/index.ctp
index 49769ef..9edac89 100644
--- a/tests/test_app/TestApp/Template/Posts/xlsx/index.ctp
+++ b/tests/test_app/TestApp/Template/Posts/xlsx/index.ctp
@@ -1,3 +1,3 @@
 <?php
-$worksheet = $this->PhpExcel->setActiveSheetIndex(0);
+$worksheet = $this->Spreadsheet->setActiveSheetIndex(0);
 $worksheet->setCellValueByColumnAndRow(0, 0, 'Test string');