diff --git a/.gitignore b/.gitignore
index 5baea3c..106ff4c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vendor
 composer.lock
-/.idea
\ No newline at end of file
+/.idea
+.phpunit.result.cache
\ No newline at end of file
diff --git a/README.md b/README.md
index 6ca22fa..2b0bf64 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,10 @@
 
 simple laravel step-by-step wizard
 
-## Required
-
-    php ^7.0
-    laravel ^5.5
+| Version | Laravel Version | Php Version | 
+|---- |----|----|
+| 1.1 | 5.* | ^7.0 |
+| 1.2 | 6.* | ^7.2 |
 
 ## Install
 
diff --git a/composer.json b/composer.json
index 1f56fe8..d087cb3 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "smajti1/laravel-wizard",
   "description": "Wizard component for laravel5.",
-  "keywords": ["laravel", "wizard"],
+  "keywords": ["laravel", "wizard", "step", "steps"],
   "license": "MIT",
   "authors": [
     {
@@ -9,12 +9,13 @@
       "email": "smajti1@gmail.com"
     }
   ],
+  "homepage": "https://github.com/smajti1/laravel-wizard",
   "require": {
-    "php": ">=7.0",
-    "illuminate/http": "~5.5"
+    "php": "^7.2",
+    "illuminate/http": "^6.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "~6.0"
+    "phpunit/phpunit": "^8.0"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/Wizard.php b/src/Wizard.php
index 12ef7c3..d04171d 100644
--- a/src/Wizard.php
+++ b/src/Wizard.php
@@ -42,10 +42,7 @@ protected function createStepClass($stepClassName, int $naturalNumber, $key, int
         return $step;
     }
 
-    /**
-     * @return Step|null
-     */
-    public function prevStep()
+    public function prevStep(): ?Step
     {
         if ($this->hasPrev()) {
             return $this->get($this->currentIndex - 1);
@@ -59,7 +56,6 @@ public function hasPrev(): bool
     }
 
     /**
-     * @return Step
      * @throws StepNotFoundException
      */
     protected function get(int $index, bool $moveCurrentIndex = true): Step
@@ -73,10 +69,7 @@ protected function get(int $index, bool $moveCurrentIndex = true): Step
         return $this->steps[$index];
     }
 
-    /**
-     * @return null|string
-     */
-    public function prevSlug()
+    public function prevSlug(): ?string
     {
         if ($this->hasPrev()) {
             $prevSlug = $this->get($this->currentIndex - 1, false);
@@ -85,10 +78,7 @@ public function prevSlug()
         return null;
     }
 
-    /**
-     * @return Step|null
-     */
-    public function nextStep()
+    public function nextStep(): ?Step
     {
         if ($this->hasNext()) {
             return $this->get($this->currentIndex + 1);
@@ -106,10 +96,7 @@ public function limit(): int
         return count($this->steps);
     }
 
-    /**
-     * @return null|string
-     */
-    public function nextSlug()
+    public function nextSlug(): ?string
     {
         if ($this->hasNext()) {
             $nextStep = $this->get($this->currentIndex + 1, false);
@@ -149,17 +136,13 @@ public function firstOrLastProcessed(int $moveSteps = 0): Step
 
     /**
      * @deprecated
-     * @return bool|null
      */
-    public function lastProcessed()
+    public function lastProcessed(): ?bool
     {
         return $this->lastProcessedIndex();
     }
 
-    /**
-     * @return int|null
-     */
-    public function lastProcessedIndex()
+    public function lastProcessedIndex(): ?int
     {
         $data = $this->data();
         if ($data) {
diff --git a/tests/WizardTest.php b/tests/WizardTest.php
index 8e0bff1..bbbee14 100644
--- a/tests/WizardTest.php
+++ b/tests/WizardTest.php
@@ -19,32 +19,17 @@ class WizardTest extends PHPUnit\Framework\TestCase
     public function __construct()
     {
         parent::__construct();
-        $this->firstTestStepClass = $this->getMockBuilder(Step::class)
-            ->disableOriginalConstructor()
-            ->setMethods([
-                'process',
-            ])
-            ->getMock();
+        $this->firstTestStepClass = $this->createPartialMock(Step::class, ['process',]);
         $this->firstTestStepClass::$label = 'First step label';
         $this->firstTestStepClass::$slug = 'first-step';
         $this->firstTestStepClass::$view = '';
 
-        $this->secondTestStepClass = $this->getMockBuilder(Step::class)
-            ->disableOriginalConstructor()
-            ->setMethods([
-                'process',
-            ])
-            ->getMock();
+        $this->secondTestStepClass = $this->createPartialMock(Step::class, ['process',]);
         $this->secondTestStepClass::$label = 'Second step label';
         $this->secondTestStepClass::$slug = 'second-step';
         $this->secondTestStepClass::$view = '';
 
-        $this->thirdTestStepClass = $this->getMockBuilder(Step::class)
-            ->disableOriginalConstructor()
-            ->setMethods([
-                'process',
-            ])
-            ->getMock();
+        $this->thirdTestStepClass = $this->createPartialMock(Step::class, ['process',]);
         $this->secondTestStepClass::$label = 'Third step label';
         $this->secondTestStepClass::$slug = 'third-step';
         $this->secondTestStepClass::$view = '';
@@ -57,10 +42,10 @@ public function __construct()
             $this->wizardThirdStepKey => get_class($this->thirdTestStepClass),
         ];
         $this->sessionKeyName = 'test';
-        $this->wizard = $this->getMockBuilder(Wizard::class)
-            ->disableOriginalConstructor()
-            ->setMethods(['createStepClass', 'lastProcessedIndex'])
-            ->getMock();
+        $this->wizard = $this->createPartialMock(Wizard::class, [
+            'createStepClass',
+            'lastProcessedIndex',
+        ]);
 
         $this->wizard_reflection = new \ReflectionClass(Wizard::class);
     }
@@ -168,10 +153,7 @@ public function testFirstOrLastProcessed()
 
     public function testLastProcessedIndex()
     {
-        $wizard = $this->getMockBuilder(Wizard::class)
-            ->disableOriginalConstructor()
-            ->setMethods(['data'])
-            ->getMock();
+        $wizard = $this->createPartialMock(Wizard::class, ['data',]);
         $wizard->expects($this->once())
             ->method('data')
             ->willReturn(['lastProcessed' => 1]);
@@ -180,10 +162,7 @@ public function testLastProcessedIndex()
 
     public function testLastProcessedIndexWithoutData()
     {
-        $wizard = $this->getMockBuilder(Wizard::class)
-            ->disableOriginalConstructor()
-            ->setMethods(['data'])
-            ->getMock();
+        $wizard = $this->createPartialMock(Wizard::class, ['data',]);
         $wizard->expects($this->once())
             ->method('data')
             ->willReturn([]);