diff --git a/.php_cs b/.php_cs
index 6b3d68b..8f4dd5a 100644
--- a/.php_cs
+++ b/.php_cs
@@ -32,6 +32,7 @@ $config->fixers(
         'object_operator',
         'php_closing_tag',
         'remove_lines_between_uses',
+        'short_array_syntax',
         'short_tag',
         'standardize_not_equal',
         'trailing_spaces',
diff --git a/src/MemoryManager.php b/src/MemoryManager.php
index d1d5a07..3b43571 100644
--- a/src/MemoryManager.php
+++ b/src/MemoryManager.php
@@ -72,7 +72,7 @@ class MemoryManager
      *
      * @var array
      */
-    private $unloadCandidates = array();
+    private $unloadCandidates = [];
 
     /**
      * List of object sizes.
@@ -83,7 +83,7 @@ class MemoryManager
      *
      * @var array
      */
-    private $sizes = array();
+    private $sizes = [];
 
     /**
      * Last modified object
diff --git a/test/AccessControllerTest.php b/test/AccessControllerTest.php
index f4f4ae4..a1f14ed 100644
--- a/test/AccessControllerTest.php
+++ b/test/AccessControllerTest.php
@@ -28,7 +28,7 @@ class AccessControllerTest extends \PHPUnit_Framework_TestCase
 
     public function setUp()
     {
-        $this->_cache = CacheFactory::adapterFactory('memory', array('memory_limit' => 0));
+        $this->_cache = CacheFactory::adapterFactory('memory', ['memory_limit' => 0]);
     }
 
     /**
diff --git a/test/MemoryManagerTest.php b/test/MemoryManagerTest.php
index b9634f5..7108015 100644
--- a/test/MemoryManagerTest.php
+++ b/test/MemoryManagerTest.php
@@ -27,7 +27,7 @@ class MemoryManagerTest extends \PHPUnit_Framework_TestCase
 
     public function setUp()
     {
-        $this->_cache = CacheFactory::adapterFactory('memory', array('memory_limit' => 0));
+        $this->_cache = CacheFactory::adapterFactory('memory', ['memory_limit' => 0]);
     }
 
     /**
@@ -97,7 +97,7 @@ public function testProcessing()
         $memoryManager->setMinSize(256);
         $memoryManager->setMemoryLimit(1024*32);
 
-        $memObjects = array();
+        $memObjects = [];
         for ($count = 0; $count < 64; $count++) {
             $memObject = $memoryManager->create(str_repeat((string)($count % 10), 1024) /* 1K */);
             $memObjects[] = $memObject;
@@ -123,7 +123,7 @@ public function testNotEnoughSpaceThrowException()
         $memoryManager->setMinSize(128);
         $memoryManager->setMemoryLimit(1024);
 
-        $memObjects = array();
+        $memObjects = [];
         for ($count = 0; $count < 8; $count++) {
             $memObject = $memoryManager->create(str_repeat((string)($count % 10), 128) /* 1K */);
             $memObjects[] = $memObject;