diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ce8a91..1ee2ab1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.1.1
+
+- Upgrade `spatie/async` package to `^1.4.0`.
+- Deprecated `VXM\Async\Process\SynchronousProcess`.
+
 ## 1.1.0
 
 - Support Laravel version 6.0
diff --git a/composer.json b/composer.json
index 97a0827..ee647b6 100644
--- a/composer.json
+++ b/composer.json
@@ -15,12 +15,12 @@
     ],
     "require": {
         "php": "^7.1",
-        "illuminate/support": "^5.7 || ^6.0",
-        "spatie/async": "^1.1"
+        "illuminate/support": "^5.8 || ^6.0",
+        "spatie/async": "^1.4.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.7 || ^4.0",
-        "phpunit/phpunit": "~7.5",
+        "orchestra/testbench": "^3.8 || ^4.0",
+        "phpunit/phpunit": "~7.5 || ^8.0",
         "scrutinizer/ocular": "^1.5"
     },
     "autoload": {
diff --git a/src/Process/SynchronousProcess.php b/src/Process/SynchronousProcess.php
index a934060..7022505 100644
--- a/src/Process/SynchronousProcess.php
+++ b/src/Process/SynchronousProcess.php
@@ -14,6 +14,7 @@
 /**
  * @author Vuong Minh <vuongxuongminh@gmail.com>
  * @since 1.0.0
+ * @deprecated https://github.com/spatie/async/pull/73 had solved. This class will be remove on version 2.
  */
 class SynchronousProcess extends BaseSynchronousProcess
 {
diff --git a/src/Runtime/ParentRuntime.php b/src/Runtime/ParentRuntime.php
index 4b87dd5..0a14b2f 100644
--- a/src/Runtime/ParentRuntime.php
+++ b/src/Runtime/ParentRuntime.php
@@ -10,9 +10,9 @@
 use Spatie\Async\Pool;
 use Spatie\Async\Process\ParallelProcess;
 use Spatie\Async\Process\Runnable;
+use Spatie\Async\Process\SynchronousProcess;
 use Spatie\Async\Runtime\ParentRuntime as BaseParentRuntime;
 use Symfony\Component\Process\Process;
-use VXM\Async\Process\SynchronousProcess;
 
 /**
  * ParentRuntime support invoke console environment in child runtime mode.
@@ -25,7 +25,7 @@ class ParentRuntime extends BaseParentRuntime
     /**
      * {@inheritdoc}
      */
-    public static function createProcess($task, ?int $outputLength = null): Runnable
+    public static function createProcess($task, ?int $outputLength = null, ?string $binary = 'php'): Runnable
     {
         if (! self::$isInitialised) {
             self::init();
@@ -36,7 +36,7 @@ public static function createProcess($task, ?int $outputLength = null): Runnable
         }
 
         $process = new Process([
-            'php',
+            $binary,
             self::$childProcessScript,
             self::$autoloader,
             self::encodeTask($task),
diff --git a/tests/EventTestClass.php b/tests/EventTestClass.php
index 2e46423..ee0ae44 100644
--- a/tests/EventTestClass.php
+++ b/tests/EventTestClass.php
@@ -18,11 +18,11 @@ class EventTestClass extends TestCase
 {
     public function success($result)
     {
-        $this->assertContains('ok!', $result);
+        $this->assertStringContainsString('ok!', $result);
     }
 
     public function catch(Exception $exception)
     {
-        $this->assertContains('ok!', $exception->getMessage());
+        $this->assertStringContainsString('ok!', $exception->getMessage());
     }
 }
diff --git a/tests/JobTest.php b/tests/JobTest.php
index fc964b9..9591356 100644
--- a/tests/JobTest.php
+++ b/tests/JobTest.php
@@ -33,7 +33,7 @@ public function testHandleSuccess()
         ]);
 
         foreach (Async::wait() as $result) {
-            $this->assertContains('ok!', $result);
+            $this->assertStringContainsString('ok!', $result);
         }
     }