diff --git a/.gitattributes b/.gitattributes
index 7161823..05ef60d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -12,3 +12,4 @@
 /phpunit.xml        export-ignore
 /**/*Test.php       export-ignore
 /**/Test**          export-ignore
+/**/*Bench.php      export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 236b7f7..8bfee61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ All Notable changes to `bakame/http-strucured-fields` will be documented in this
 ### Fixed
 
 - Test suite migrated to PHPUnit 10
+- Adding Benchmark test with PHPBench
 - Improve Collection immutability with method changes
 - **[BC Break]** `ParameterAccess` interface signature updated to use the `Value` interface instead of the `Item` implementation.
 - **[BC Break]** `MemberList::remove`, `MemberOrderedMap::remove` and `MemberOrderedMap::keys` methods are moved to their parent interface.
diff --git a/composer.json b/composer.json
index 00f850e..5f424df 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,8 @@
         "phpstan/phpstan-strict-rules": "^1.5.0",
         "phpstan/phpstan-phpunit": "^1.3.10",
         "phpstan/phpstan-deprecation-rules": "^1.1.2",
-        "phpunit/phpunit": "^10.0.15"
+        "phpunit/phpunit": "^10.0.15",
+        "phpbench/phpbench": "^1.2"
     },
     "autoload": {
         "psr-4": {
@@ -46,6 +47,7 @@
         ]
     },
     "scripts": {
+        "benchmark": "phpbench run --report=default",
         "phpcs": "PHP_CS_FIXER_IGNORE_ENV=1 php-cs-fixer fix --dry-run --diff -vvv --allow-risky=yes --ansi",
         "phpcs:fix": "php-cs-fixer fix -vvv --allow-risky=yes --ansi",
         "phpstan": "phpstan analyse -c phpstan.neon --ansi --xdebug --memory-limit 192M",
@@ -53,7 +55,8 @@
         "test": [
             "@phpunit",
             "@phpstan",
-            "@phpcs"
+            "@phpcs",
+            "@benchmark"
         ]
     },
     "scripts-descriptions": {
diff --git a/phpbench.json b/phpbench.json
new file mode 100644
index 0000000..b8c7a44
--- /dev/null
+++ b/phpbench.json
@@ -0,0 +1,7 @@
+{
+    "$schema": "vendor/phpbench/phpbench/phpbench.schema.json",
+    "runner.bootstrap": "vendor/autoload.php",
+    "runner.path": ["src"],
+    "runner.file_pattern": "*Bench.php",
+    "runner.php_disable_ini": true
+}
diff --git a/src/ParserBench.php b/src/ParserBench.php
new file mode 100644
index 0000000..339f349
--- /dev/null
+++ b/src/ParserBench.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bakame\Http\StructuredFields;
+
+use PhpBench\Attributes as Bench;
+
+final class ParserBench
+{
+    #[Bench\OutputTimeUnit('seconds')]
+    #[Bench\Assert('mode(variant.mem.peak) < 2097152'), Bench\Assert('mode(variant.time.avg) < 10000000')]
+    public function benchParsingAListFormAnHTTPHeaderValue(): void
+    {
+        $httpValue = '("lang" "en-US"); expires=@1623233894; samesite=Strict; secure';
+        for ($i = 0; $i < 100_000; $i++) {
+            Parser::parseList($httpValue);
+        }
+    }
+
+    #[Bench\OutputTimeUnit('seconds')]
+    #[Bench\Assert('mode(variant.mem.peak) < 2097152'), Bench\Assert('mode(variant.time.avg) < 10000000')]
+    public function benchParsingAnItemFormAnHTTPHeaderValue(): void
+    {
+        $httpValue = '"lang"; expires=@1623233894; samesite=Strict; secure';
+        for ($i = 0; $i < 100_000; $i++) {
+            Item::fromHttpValue($httpValue);
+        }
+    }
+
+    #[Bench\OutputTimeUnit('seconds')]
+    #[Bench\Assert('mode(variant.mem.peak) < 2097152'), Bench\Assert('mode(variant.time.avg) < 10000000')]
+    public function benchParsingAnDictionaryFormAnHTTPHeaderValue(): void
+    {
+        $httpValue = 'lang="en-US", type=42.0; expires=@1623233894; samesite=Strict; secure';
+        for ($i = 0; $i < 100_000; $i++) {
+            Parser::parseDictionary($httpValue);
+        }
+    }
+}