diff --git a/Queue/Abstracts/AbstractsQueue.php b/Queue/Abstracts/AbstractsQueue.php
index b25e05ec..5005bcbd 100644
--- a/Queue/Abstracts/AbstractsQueue.php
+++ b/Queue/Abstracts/AbstractsQueue.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue\Abstracts;
diff --git a/Queue/Abstracts/Queue.php b/Queue/Abstracts/Queue.php
index abbbfc20..e4e8ccc6 100644
--- a/Queue/Abstracts/Queue.php
+++ b/Queue/Abstracts/Queue.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue\Abstracts;
diff --git a/Queue/Abstracts/Relyon.php b/Queue/Abstracts/Relyon.php
index 6a8131ce..737c4e55 100644
--- a/Queue/Abstracts/Relyon.php
+++ b/Queue/Abstracts/Relyon.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue\Abstracts;
diff --git a/Queue/Complete.php b/Queue/Complete.php
index 30b9171a..2e09a3b6 100644
--- a/Queue/Complete.php
+++ b/Queue/Complete.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue;
diff --git a/Queue/Consumer.php b/Queue/Consumer.php
index 7dd2c02b..34f29aa9 100644
--- a/Queue/Consumer.php
+++ b/Queue/Consumer.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue;
diff --git a/Queue/Queue.php b/Queue/Queue.php
index 315ed692..2db78856 100644
--- a/Queue/Queue.php
+++ b/Queue/Queue.php
@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Queue;
 
@@ -31,7 +32,7 @@ class Queue extends \Snowflake\Process\Process
 	private $running;
 
 
-	private $shutdown = false;
+	private bool $shutdown = false;
 
 
 	/**
diff --git a/Queue/QueueProviders.php b/Queue/QueueProviders.php
index f00c9c81..047d7372 100644
--- a/Queue/QueueProviders.php
+++ b/Queue/QueueProviders.php
@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Queue;
 
diff --git a/Queue/Running.php b/Queue/Running.php
index 1bf4165f..c73a20ce 100644
--- a/Queue/Running.php
+++ b/Queue/Running.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue;
diff --git a/Queue/TestQueue.php b/Queue/TestQueue.php
index 04137ee4..a5b69f50 100644
--- a/Queue/TestQueue.php
+++ b/Queue/TestQueue.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue;
@@ -13,7 +14,7 @@ use Snowflake\Snowflake;
 class TestQueue implements Consumer
 {
 
-	public $params;
+	public array $params;
 
 
 	/**
diff --git a/Queue/Waiting.php b/Queue/Waiting.php
index 6b086218..e7761775 100644
--- a/Queue/Waiting.php
+++ b/Queue/Waiting.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 
 namespace Queue;