diff --git a/UPGRADE.md b/UPGRADE.md
index 3f6bda9..5919ffe 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -12,6 +12,11 @@ You should update the following dependency in your application's composer.json f
 
 - `dragon-code/laravel-cache` to `^4.0`
 
+The support of the following dependencies has been removed:
+
+- `dragon-code/contracts`
+- `dragon-code/simple-dto`
+
 ### Application Structure
 
 The use of the dependence of the contracts `dragon-code/contracts` was removed.
diff --git a/composer.json b/composer.json
index 38db603..5beeb97 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,6 @@
         "illuminate/support": ">=6.0 <12.0"
     },
     "require-dev": {
-        "dragon-code/simple-dto": "^2.3",
         "nesbot/carbon": "^2.62",
         "orchestra/testbench": ">=4.0 <10.0",
         "phpunit/phpunit": "^8.5 || ^9.6 || ^10.0"
diff --git a/src/Facades/Support/Key.php b/src/Facades/Support/Key.php
index 92a4d40..f2b2aa5 100644
--- a/src/Facades/Support/Key.php
+++ b/src/Facades/Support/Key.php
@@ -6,12 +6,11 @@
 
 use ArrayObject;
 use DragonCode\Cache\Support\Key as Support;
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Support\Facades\Facade;
 
 /**
- * @method static string get(string $separator, array|Arrayable|ArrayObject|DataTransferObject $values, bool $hash = true)
+ * @method static string get(string $separator, array|Arrayable|ArrayObject $values, bool $hash = true)
  */
 class Key extends Facade
 {
diff --git a/src/Facades/Support/Tag.php b/src/Facades/Support/Tag.php
index 7564fd5..d893569 100644
--- a/src/Facades/Support/Tag.php
+++ b/src/Facades/Support/Tag.php
@@ -5,12 +5,11 @@
 namespace DragonCode\Cache\Facades\Support;
 
 use DragonCode\Cache\Support\Tag as Support;
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Support\Facades\Facade;
 
 /**
- * @method static array get(array|Arrayable|\ArrayObject|DataTransferObject $tags)
+ * @method static array get(array|Arrayable|\ArrayObject $tags)
  */
 class Tag extends Facade
 {
diff --git a/src/Support/Tag.php b/src/Support/Tag.php
index 1d038bc..f024311 100644
--- a/src/Support/Tag.php
+++ b/src/Support/Tag.php
@@ -6,7 +6,6 @@
 
 use ArrayObject;
 use DragonCode\Cache\Concerns\Arrayable;
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
 use DragonCode\Support\Facades\Helpers\Str;
 
 class Tag
@@ -14,7 +13,7 @@ class Tag
     use Arrayable;
 
     /**
-     * @param  array|\Illuminate\Contracts\Support\Arrayable|ArrayObject|DataTransferObject  $tags
+     * @param  array|\Illuminate\Contracts\Support\Arrayable|ArrayObject  $tags
      */
     public function get(mixed $tags): array
     {
diff --git a/tests/Fixtures/Concerns/Dtoable.php b/tests/Fixtures/Concerns/Dtoable.php
index 039b10a..8d4445b 100644
--- a/tests/Fixtures/Concerns/Dtoable.php
+++ b/tests/Fixtures/Concerns/Dtoable.php
@@ -4,12 +4,11 @@
 
 namespace Tests\Fixtures\Concerns;
 
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
 use Tests\Fixtures\Dto\DtoObject;
 
 trait Dtoable
 {
-    protected function dto(): DataTransferObject
+    protected function dto(): DtoObject
     {
         return DtoObject::make(array_merge($this->value, [
             'baz' => 'Baz',
diff --git a/tests/Fixtures/Dto/CustomDto.php b/tests/Fixtures/Dto/CustomDto.php
index e192738..232c7fd 100644
--- a/tests/Fixtures/Dto/CustomDto.php
+++ b/tests/Fixtures/Dto/CustomDto.php
@@ -4,9 +4,29 @@
 
 namespace Tests\Fixtures\Dto;
 
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
+use Illuminate\Contracts\Support\Arrayable;
 
-class CustomDto extends DataTransferObject
+class CustomDto implements Arrayable
 {
     public $wasd;
+
+    public static function make(array $values): CustomDto
+    {
+        $object = new static();
+
+        foreach ($values as $key => $value) {
+            if (property_exists($object, $key)) {
+                $object->{$key} = $value;
+            }
+        }
+
+        return $object;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'wasd' => $this->wasd,
+        ];
+    }
 }
diff --git a/tests/Fixtures/Dto/DtoObject.php b/tests/Fixtures/Dto/DtoObject.php
index 5000b95..f7db530 100644
--- a/tests/Fixtures/Dto/DtoObject.php
+++ b/tests/Fixtures/Dto/DtoObject.php
@@ -4,9 +4,9 @@
 
 namespace Tests\Fixtures\Dto;
 
-use DragonCode\SimpleDataTransferObject\DataTransferObject;
+use Illuminate\Contracts\Support\Arrayable;
 
-class DtoObject extends DataTransferObject
+class DtoObject implements Arrayable
 {
     public $foo;
 
@@ -15,4 +15,25 @@ class DtoObject extends DataTransferObject
     protected $baz;
 
     protected $baq;
+
+    public static function make(array $values): DtoObject
+    {
+        $object = new static();
+
+        foreach ($values as $key => $value) {
+            if (property_exists($object, $key)) {
+                $object->{$key} = $value;
+            }
+        }
+
+        return $object;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'foo' => $this->foo,
+            'bar' => $this->bar,
+        ];
+    }
 }
diff --git a/tests/Support/TtlTest.php b/tests/Support/TtlTest.php
index 7756f6f..ac1f5c4 100644
--- a/tests/Support/TtlTest.php
+++ b/tests/Support/TtlTest.php
@@ -93,18 +93,18 @@ public function testObjectAsObject()
         $this->assertSame(600, Ttl::fromSeconds((object) ['foo' => 'Foo']));
     }
 
-    public function testContract()
+    public function testInstances(): void
     {
-        $this->assertSame(3600, Ttl::fromMinutes(new AsCarbon('foo')));
-        $this->assertSame(7200, Ttl::fromSeconds(new AsCarbon('bar')));
+        $this->assertSame(3600, Ttl::fromMinutes((new AsCarbon('foo'))->cacheTtl()));
+        $this->assertSame(7200, Ttl::fromSeconds((new AsCarbon('bar'))->cacheTtl()));
 
-        $this->assertSame(3600, Ttl::fromMinutes(new AsDateTime('foo')));
-        $this->assertSame(7200, Ttl::fromSeconds(new AsDateTime('bar')));
+        $this->assertSame(3600, Ttl::fromMinutes((new AsDateTime('foo'))->cacheTtl()));
+        $this->assertSame(7200, Ttl::fromSeconds((new AsDateTime('bar'))->cacheTtl()));
 
-        $this->assertSame(600, Ttl::fromMinutes(new AsInteger('foo')));
-        $this->assertSame(20, Ttl::fromSeconds(new AsInteger('bar')));
+        $this->assertSame(600, Ttl::fromMinutes((new AsInteger('foo'))->cacheTtl()));
+        $this->assertSame(20, Ttl::fromSeconds((new AsInteger('bar'))->cacheTtl()));
 
-        $this->assertSame(600, Ttl::fromMinutes(new AsString('foo')));
-        $this->assertSame(20, Ttl::fromSeconds(new AsString('bar')));
+        $this->assertSame(600, Ttl::fromMinutes((new AsString('foo'))->cacheTtl()));
+        $this->assertSame(20, Ttl::fromSeconds((new AsString('bar'))->cacheTtl()));
     }
 }