diff --git a/.travis.yml b/.travis.yml
index 243624e..7b4459b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,9 +7,6 @@ cache:
     - $HOME/.composer/cache
 
 php:
-  - 5.3
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
diff --git a/Factory.php b/Factory.php
index bf5daa0..e6c1628 100644
--- a/Factory.php
+++ b/Factory.php
@@ -49,6 +49,7 @@ public function createPHPExcelWorksheetDrawing()
      */
     public function createReader($type = 'Excel5')
     {
+        $type = $this->convertType($type);
         return call_user_func(array($this->phpExcelIO, 'createReader'), $type);
     }
 
@@ -64,6 +65,7 @@ public function createReader($type = 'Excel5')
      */
     public function createWriter(\PHPExcel $phpExcelObject, $type = 'Excel5')
     {
+        $type = $this->convertType($type);
         return call_user_func(array($this->phpExcelIO, 'createWriter'), $phpExcelObject, $type);
     }
 
@@ -96,4 +98,45 @@ public function createHelperHTML()
     {
         return new \PHPExcel_Helper_HTML();
     }
+
+    /**
+     * Documentation link: https://phpspreadsheet.readthedocs.io/en/develop/topics/migration-from-PHPExcel/#renamed-readers-and-writers
+     *
+     * @param string $type
+     *
+     * @return string
+     */
+    private function convertType($type)
+    {
+        switch ($type) {
+            case 'CSV':
+                return 'Csv';
+                break;
+            case 'Excel2003XML':
+                return 'Xml';
+                break;
+            case 'Excel2007':
+                return 'Xlsx';
+                break;
+            case 'Excel5':
+                return 'Xls';
+                break;
+            case 'HTML':
+                return 'Html';
+                break;
+            case 'OOCalc':
+            case 'OpenDocument':
+                return 'Ods';
+                break;
+            case 'PDF':
+                return 'Pdf';
+                break;
+            case 'SYLK':
+                return 'Slk';
+                break;
+            default:
+                return $type;
+                break;
+        }
+    }
 }
diff --git a/Tests/FactoryTest.php b/Tests/FactoryTest.php
index 3a54b01..bbb91e5 100644
--- a/Tests/FactoryTest.php
+++ b/Tests/FactoryTest.php
@@ -3,8 +3,9 @@
 namespace Liuggio\ExcelBundle\Tests;
 
 use Liuggio\ExcelBundle\Factory;
+use PHPUnit\Framework\TestCase;
 
-class FactoryTest extends \PHPUnit_Framework_TestCase
+class FactoryTest extends TestCase
 {
     public function testCreate()
     {
diff --git a/composer.json b/composer.json
index fdfbdd4..849e195 100644
--- a/composer.json
+++ b/composer.json
@@ -17,9 +17,9 @@
     "homepage": "http://www.welcometothebundle.com",
     "license": "MIT",
     "require": {
-        "php": ">=5.3.2",
+        "php": "^5.6|^7.0",
         "symfony/framework-bundle": "~2.6|~3.0",
-        "phpoffice/phpexcel": "~1.8.1"
+        "phpoffice/phpspreadsheet": "^1.2"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.6",
@@ -28,13 +28,17 @@
         "symfony/class-loader": "~2.6|~3.0",
         "symfony/validator": "~2.6|~3.0",
         "symfony/browser-kit": "~2.6|~3.0",
-        "sensio/framework-extra-bundle": "~2.3|~3.0"
+        "sensio/framework-extra-bundle": "~2.3|~3.0",
+        "symfony/var-dumper": "^3.4"
     },
     "autoload": {
         "exclude-from-classmap": ["/Tests/"],
         "psr-4": {
             "Liuggio\\ExcelBundle\\": ""
-        }
+        },
+        "classmap": [
+            "polyfill"
+        ]
     },
     "autoload-dev": {
         "psr-4": {
diff --git a/polyfill/IReader.php b/polyfill/IReader.php
new file mode 100644
index 0000000..b70314b
--- /dev/null
+++ b/polyfill/IReader.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader;
+
+interface IReader extends \PHPExcel_Reader_IReader
+{
+    /**
+     * IReader constructor.
+     */
+    public function __construct();
+
+    /**
+     * Can the current IReader read the file?
+     *
+     * @param string $pFilename
+     *
+     * @return bool
+     */
+    public function canRead($pFilename);
+
+    /**
+     * Loads PhpSpreadsheet from file.
+     *
+     * @param string $pFilename
+     *
+     * @throws Exception
+     *
+     * @return \PhpOffice\PhpSpreadsheet\Spreadsheet
+     */
+    public function load($pFilename);
+}
diff --git a/polyfill/IWriter.php b/polyfill/IWriter.php
new file mode 100644
index 0000000..4fc405e
--- /dev/null
+++ b/polyfill/IWriter.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Writer;
+
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+
+interface IWriter extends \PHPExcel_Writer_IWriter
+{
+    /**
+     * IWriter constructor.
+     *
+     * @param Spreadsheet $spreadsheet
+     */
+    public function __construct(Spreadsheet $spreadsheet);
+
+    /**
+     * Save PhpSpreadsheet to file.
+     *
+     * @param string $pFilename Name of the file to save
+     *
+     * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception
+     */
+    public function save($pFilename);
+}
\ No newline at end of file
diff --git a/polyfill/PHPExcel.php b/polyfill/PHPExcel.php
new file mode 100644
index 0000000..2821d3f
--- /dev/null
+++ b/polyfill/PHPExcel.php
@@ -0,0 +1,11 @@
+<?php
+@trigger_error('\PHPExcel is deprecated use \PhpOffice\PhpSpreadsheet\Spreadsheet instead', E_DEPRECATED);
+
+/**
+ * Class PHPExcel
+ *
+ * @deprecated
+ */
+class PHPExcel extends \PhpOffice\PhpSpreadsheet\Spreadsheet
+{
+}
diff --git a/polyfill/PHPExcel_Helper_HTML.php b/polyfill/PHPExcel_Helper_HTML.php
new file mode 100644
index 0000000..af99344
--- /dev/null
+++ b/polyfill/PHPExcel_Helper_HTML.php
@@ -0,0 +1,11 @@
+<?php
+@trigger_error('\PHPExcel_Helper_HTML is deprecated use \PhpOffice\PhpSpreadsheet\Helper\Html instead', E_DEPRECATED);
+
+/**
+ * Class PHPExcel_Helper_HTML
+ *
+ * @deprecated
+ */
+class PHPExcel_Helper_HTML extends \PhpOffice\PhpSpreadsheet\Helper\Html
+{
+}
diff --git a/polyfill/PHPExcel_IOFactory.php b/polyfill/PHPExcel_IOFactory.php
new file mode 100644
index 0000000..63d8f5b
--- /dev/null
+++ b/polyfill/PHPExcel_IOFactory.php
@@ -0,0 +1,11 @@
+<?php
+@trigger_error('\PHPExcel_IOFactory is deprecated use \PhpOffice\PhpSpreadsheet\IOFactory instead', E_DEPRECATED);
+
+/**
+ * Class PHPExcel_IOFactory
+ *
+ * @deprecated
+ */
+class PHPExcel_IOFactory extends \PhpOffice\PhpSpreadsheet\IOFactory
+{
+}
diff --git a/polyfill/PHPExcel_Reader_IReader.php b/polyfill/PHPExcel_Reader_IReader.php
new file mode 100644
index 0000000..e48d6ca
--- /dev/null
+++ b/polyfill/PHPExcel_Reader_IReader.php
@@ -0,0 +1,10 @@
+<?php
+@trigger_error('\PHPExcel_Reader_IReader is deprecated use \PhpOffice\PhpSpreadsheet\Reader\IReader instead', E_DEPRECATED);
+/**
+ * Interface PHPExcel_Reader_IReader
+ *
+ * @deprecated
+ */
+interface PHPExcel_Reader_IReader
+{
+}
diff --git a/polyfill/PHPExcel_Worksheet_Drawing.php b/polyfill/PHPExcel_Worksheet_Drawing.php
new file mode 100644
index 0000000..31caf6e
--- /dev/null
+++ b/polyfill/PHPExcel_Worksheet_Drawing.php
@@ -0,0 +1,10 @@
+<?php
+@trigger_error('\PHPExcel_Worksheet_Drawing is deprecated use \PhpOffice\PhpSpreadsheet\Worksheet\Drawing instead', E_DEPRECATED);
+/**
+ * Class PHPExcel_Worksheet_Drawing
+ *
+ * @deprecated
+ */
+class PHPExcel_Worksheet_Drawing extends \PhpOffice\PhpSpreadsheet\Worksheet\Drawing
+{
+}
diff --git a/polyfill/PHPExcel_Writer_IWriter.php b/polyfill/PHPExcel_Writer_IWriter.php
new file mode 100644
index 0000000..d50f3f6
--- /dev/null
+++ b/polyfill/PHPExcel_Writer_IWriter.php
@@ -0,0 +1,18 @@
+<?php
+@trigger_error('\PHPExcel_Writer_IWriter is deprecated use \PhpOffice\PhpSpreadsheet\Writer\IWriter instead', E_DEPRECATED);
+/**
+ * Interface PHPExcel_Writer_IWriter
+ *
+ * @deprecated
+ */
+interface PHPExcel_Writer_IWriter
+{
+    /**
+     * Save PhpSpreadsheet to file.
+     *
+     * @param string $pFilename Name of the file to save
+     *
+     * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception
+     */
+    public function save($pFilename);
+}