diff --git a/composer.json b/composer.json
index 7d0dbde..24ce24a 100644
--- a/composer.json
+++ b/composer.json
@@ -26,8 +26,8 @@
         "illuminate/support": "^8.71|^9.0"
     },
     "require-dev": {
-        "amphp/parallel": "^0.2.5",
-        "amphp/parallel-functions": "^0.1.3",
+        "amphp/parallel": "^1.4.1",
+        "amphp/parallel-functions": "^1.1.0",
         "mockery/mockery": "^1.4.2",
         "orchestra/testbench": "^6.23|^7.0",
         "phpunit/phpunit": "^9.4.4",
@@ -63,4 +63,4 @@
     },
     "minimum-stability": "dev",
     "prefer-stable": true
-}
+}
\ No newline at end of file
diff --git a/tests/Macros/PluckManyTest.php b/tests/Macros/PluckManyTest.php
index 823129b..249ea7c 100644
--- a/tests/Macros/PluckManyTest.php
+++ b/tests/Macros/PluckManyTest.php
@@ -35,9 +35,9 @@ public function it_can_pluck_from_array_and_object_items()
 
         $this->assertEquals(
             [
-            (object) ['name' => 'matt', 'hobby' => 'coding'],
-            ['name' => 'tomo', 'hobby' => 'cooking'],
-        ],
+                (object) ['name' => 'matt', 'hobby' => 'coding'],
+                ['name' => 'tomo', 'hobby' => 'cooking'],
+            ],
             $data->pluckMany(['name', 'hobby'])->all()
         );
     }
@@ -52,9 +52,9 @@ public function it_can_pluck_from_objects_that_implement_array_access_interface(
 
         $this->assertEquals(
             [
-            ['name' => 'marco', 'hobby' => 'drinking'],
-            ['name' => 'belle', 'hobby' => 'cross-stitch'],
-        ],
+                ['name' => 'marco', 'hobby' => 'drinking'],
+                ['name' => 'belle', 'hobby' => 'cross-stitch'],
+            ],
             $data->pluckMany(['name', 'hobby'])->all()
         );
     }
@@ -69,22 +69,22 @@ public function __construct($arr)
         $this->arr = $arr;
     }
 
-    public function offsetExists($offset)
+    public function offsetExists($offset): bool
     {
         return isset($this->arr[$offset]);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         return $this->arr[$offset];
     }
 
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         $this->arr[$offset] = $value;
     }
 
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         unset($this->arr[$offset]);
     }