diff --git a/README.md b/README.md
index bde8cd0..0bebb3f 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,19 @@ assert($foo instanceof Foo);
 
 ## PSR-6
 
+### Psr6NullModule
+
+This module is for the development.
+
+* Local: Null
+* Shared: Null
+
+```php
+use Ray\PsrCacheModule\Psr6NullModule;
+
+new Psr6NullModule();
+```
+
 ### Psr6ArrayModule
 
 This module is for the development.
diff --git a/composer.json b/composer.json
index a7a805e..5090ab6 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "require": {
         "php": "^7.3 || ^8.0",
         "psr/cache": "^1.0.1",
-        "ray/di": "^2.12.0",
+        "ray/di": "^2.13.2",
         "symfony/cache": "^5.3.4",
         "doctrine/annotations": "^1.13",
         "psr/simple-cache": "^1.0"
@@ -24,7 +24,7 @@
     },
     "autoload": {
         "psr-4": {
-            "Ray\\PsrCacheModule\\": "src/"
+            "Ray\\PsrCacheModule\\": ["src/", "src-deprecated"]
         }
     },
     "autoload-dev": {
diff --git a/src/FilesystemAdapter.php b/src-deprecated/FilesystemAdapter.php
similarity index 71%
rename from src/FilesystemAdapter.php
rename to src-deprecated/FilesystemAdapter.php
index 44356cb..58b6725 100644
--- a/src/FilesystemAdapter.php
+++ b/src-deprecated/FilesystemAdapter.php
@@ -4,17 +4,19 @@
 
 namespace Ray\PsrCacheModule;
 
+use JetBrains\PhpStorm\Deprecated;
 use Serializable;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter as OriginAdapter;
 use Symfony\Component\Cache\Marshaller\MarshallerInterface;
 
 use function call_user_func_array;
 use function func_get_args;
-use function serialize;
-use function unserialize;
 
+#[Deprecated]
 class FilesystemAdapter extends OriginAdapter implements Serializable
 {
+    use Php73BcSerializableTrait;
+
     /** @var array<int, mixed> */
     private $args;
 
@@ -27,16 +29,16 @@ public function __construct(string $namespace = '', int $defaultLifetime = 0, ?s
     /**
      * @inheritDoc
      */
-    public function serialize()
+    public function __serialize(): array
     {
-        return serialize($this->args);
+        return $this->args;
     }
 
     /**
-     * @inheritDoc
+     * {@inheritDoc}
      */
-    public function unserialize($data)
+    public function __unserialize($data)
     {
-        call_user_func_array([$this, '__construct'], unserialize($data)); // @phpstan-ignore-line
+        call_user_func_array([$this, '__construct'], $data); // @phpstan-ignore-line
     }
 }
diff --git a/src-deprecated/Php73BcSerializableTrait.php b/src-deprecated/Php73BcSerializableTrait.php
new file mode 100644
index 0000000..b0887f0
--- /dev/null
+++ b/src-deprecated/Php73BcSerializableTrait.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ray\PsrCacheModule;
+
+use function serialize;
+use function unserialize;
+
+trait Php73BcSerializableTrait
+{
+    /**
+     * {@inheritDoc}
+     */
+    final public function serialize()
+    {
+        return serialize($this->__serialize());
+    }
+
+    /**
+     * @psalm-suppress all
+     *
+     * {@inheritDoc}
+     */
+    final public function unserialize($serializedData)
+    {
+        $array = unserialize($serializedData);
+        $this->__unserialize($array); // @phpstan-ignore-line
+    }
+}
\ No newline at end of file
diff --git a/src/PhpFileAdapter.php b/src-deprecated/PhpFileAdapter.php
similarity index 71%
rename from src/PhpFileAdapter.php
rename to src-deprecated/PhpFileAdapter.php
index afa6d9b..c8fe3e2 100644
--- a/src/PhpFileAdapter.php
+++ b/src-deprecated/PhpFileAdapter.php
@@ -4,6 +4,7 @@
 
 namespace Ray\PsrCacheModule;
 
+use JetBrains\PhpStorm\Deprecated;
 use Serializable;
 use Symfony\Component\Cache\Adapter\PhpFilesAdapter as OriginAdapter;
 
@@ -12,8 +13,11 @@
 use function serialize;
 use function unserialize;
 
+#[Deprecated]
 class PhpFileAdapter extends OriginAdapter implements Serializable
 {
+    use Php73BcSerializableTrait;
+
     /** @var array<int, mixed> */
     private $args;
 
@@ -26,16 +30,16 @@ public function __construct(string $namespace = '', int $defaultLifetime = 0, ?s
     /**
      * @inheritDoc
      */
-    public function serialize()
+    public function __serialize(): array
     {
-        return serialize($this->args);
+        return $this->args;
     }
 
     /**
-     * @inheritDoc
+     * {@inheritDoc}
      */
-    public function unserialize($data)
+    public function __unserialize($data)
     {
-        call_user_func_array([$this, '__construct'], unserialize($data)); // @phpstan-ignore-line
+        call_user_func_array([$this, '__construct'], $data); // @phpstan-ignore-line
     }
 }
diff --git a/src/LocalCacheProvider.php b/src/LocalCacheProvider.php
index b67cfb8..73fc78f 100644
--- a/src/LocalCacheProvider.php
+++ b/src/LocalCacheProvider.php
@@ -9,6 +9,7 @@
 use Ray\PsrCacheModule\Annotation\CacheNamespace;
 use Symfony\Component\Cache\Adapter\ApcuAdapter;
 use Symfony\Component\Cache\Adapter\ChainAdapter;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter as SymfonyFilesystemAdapter;
 
 use function sys_get_temp_dir;
 
@@ -35,7 +36,7 @@ public function get(): ChainAdapter
     {
         return new ChainAdapter([
             new ApcuAdapter($this->namespace),
-            new FilesystemAdapter($this->namespace, 0, $this->cacheDir),
+            new SymfonyFilesystemAdapter($this->namespace, 0, $this->cacheDir),
         ]);
     }
 }
diff --git a/src/Psr6NullModule.php b/src/Psr6NullModule.php
new file mode 100644
index 0000000..a10a19b
--- /dev/null
+++ b/src/Psr6NullModule.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ray\PsrCacheModule;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Ray\Di\AbstractModule;
+use Ray\Di\Scope;
+use Ray\PsrCacheModule\Annotation\Local;
+use Ray\PsrCacheModule\Annotation\Shared;
+use Symfony\Component\Cache\Adapter\NullAdapter;
+
+final class Psr6NullModule extends AbstractModule
+{
+    protected function configure(): void
+    {
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Local::class)->to(NullAdapter::class)->in(Scope::SINGLETON);
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Shared::class)->to(NullAdapter::class)->in(Scope::SINGLETON);
+    }
+}
diff --git a/tests/Psr6CacheTest.php b/tests/Psr6CacheTest.php
index dca32d7..c56e827 100644
--- a/tests/Psr6CacheTest.php
+++ b/tests/Psr6CacheTest.php
@@ -5,16 +5,25 @@
 namespace Ray\PsrCacheModule;
 
 use PHPUnit\Framework\TestCase;
-use Ray\Di\AbstractModule;
+use Psr\Cache\CacheItemPoolInterface;
 use Ray\Di\Injector;
 use Ray\PsrCacheModule\Annotation\CacheDir;
+use Ray\PsrCacheModule\Annotation\Shared;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Cache\Adapter\NullAdapter;
 
 class Psr6CacheTest extends TestCase
 {
     public function testDevPsrCacheModule(): void
     {
-        $module = new Psr6ArrayModule();
-        $this->assertInstanceOf(AbstractModule::class, $module);
+        $cache = (new Injector(new Psr6NullModule()))->getInstance(CacheItemPoolInterface::class, Shared::class);
+        $this->assertInstanceOf(NullAdapter::class, $cache);
+    }
+
+    public function testArrayCacheModule(): void
+    {
+        $cache = (new Injector(new Psr6ArrayModule()))->getInstance(CacheItemPoolInterface::class, Shared::class);
+        $this->assertInstanceOf(ArrayAdapter::class, $cache);
     }
 
     public function testCacheDirModule(): void
diff --git a/vendor-bin/tools/composer.lock b/vendor-bin/tools/composer.lock
index 7757c24..dc46718 100644
--- a/vendor-bin/tools/composer.lock
+++ b/vendor-bin/tools/composer.lock
@@ -2077,20 +2077,20 @@
         },
         {
             "name": "psr/container",
-            "version": "1.1.1",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/container.git",
-                "reference": "8622567409010282b7aeebe4bb841fe98b58dcaf"
+                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/8622567409010282b7aeebe4bb841fe98b58dcaf",
-                "reference": "8622567409010282b7aeebe4bb841fe98b58dcaf",
+                "url": "https://api.github.com/repos/php-fig/container/zipball/513e0666f7216c7459170d56df27dfcefe1689ea",
+                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.2.0"
+                "php": ">=7.4.0"
             },
             "type": "library",
             "autoload": {
@@ -2119,9 +2119,9 @@
             ],
             "support": {
                 "issues": "https://github.com/php-fig/container/issues",
-                "source": "https://github.com/php-fig/container/tree/1.1.1"
+                "source": "https://github.com/php-fig/container/tree/1.1.2"
             },
-            "time": "2021-03-05T17:36:06+00:00"
+            "time": "2021-11-05T16:50:12+00:00"
         },
         {
             "name": "psr/log",