diff --git a/composer.json b/composer.json
index 44eef74583..2e68024e9f 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "friendsofphp/php-cs-fixer": "^3.9",
         "nanasess/ec-cube2-class-extends-stubs": "^1.0",
         "nanasess/eccube2-fixture-generator": "^2.0",
-        "phpdocumentor/reflection-docblock": "~5.5.1",
+        "phpdocumentor/reflection-docblock": "~5.6.1",
         "phpstan/phpstan": "^2.0",
         "phpunit/phpunit": "^9.6",
         "symfony/yaml": "^5.4 || ^6.4"
diff --git a/composer.lock b/composer.lock
index c2283467a3..0862c52b24 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "913b3fad812f8e13e42e3d0e9cbb40d3",
+    "content-hash": "fcbc3b2e0a4bb880b6bd4e6452fcfecf",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
@@ -2270,16 +2270,16 @@
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "5.5.1",
+            "version": "5.6.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "0c70d2c566e899666f367ab7b80986beb3581e6f"
+                "reference": "e5e784149a09bd69d9a5e3b01c5cbd2e2bd653d8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/0c70d2c566e899666f367ab7b80986beb3581e6f",
-                "reference": "0c70d2c566e899666f367ab7b80986beb3581e6f",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/e5e784149a09bd69d9a5e3b01c5cbd2e2bd653d8",
+                "reference": "e5e784149a09bd69d9a5e3b01c5cbd2e2bd653d8",
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             },
             "require": {
@@ -2288,7 +2288,7 @@
                 "php": "^7.4 || ^8.0",
                 "phpdocumentor/reflection-common": "^2.2",
                 "phpdocumentor/type-resolver": "^1.7",
-                "phpstan/phpdoc-parser": "^1.7",
+                "phpstan/phpdoc-parser": "^1.7|^2.0",
                 "webmozart/assert": "^1.9.1"
             },
             "require-dev": {
@@ -2328,9 +2328,9 @@
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
             "support": {
                 "issues": "https://github.com/phpDocumentor/ReflectionDocBlock/issues",
-                "source": "https://github.com/phpDocumentor/ReflectionDocBlock/tree/5.5.1"
+                "source": "https://github.com/phpDocumentor/ReflectionDocBlock/tree/5.6.1"
             },
-            "time": "2024-11-06T11:58:54+00:00"
+            "time": "2024-12-07T09:39:29+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
@@ -2392,30 +2392,30 @@
         },
         {
             "name": "phpstan/phpdoc-parser",
-            "version": "1.33.0",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpdoc-parser.git",
-                "reference": "82a311fd3690fb2bf7b64d5c98f912b3dd746140"
+                "reference": "c00d78fb6b29658347f9d37ebe104bffadf36299"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/82a311fd3690fb2bf7b64d5c98f912b3dd746140",
-                "reference": "82a311fd3690fb2bf7b64d5c98f912b3dd746140",
+                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/c00d78fb6b29658347f9d37ebe104bffadf36299",
+                "reference": "c00d78fb6b29658347f9d37ebe104bffadf36299",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2 || ^8.0"
+                "php": "^7.4 || ^8.0"
             },
             "require-dev": {
                 "doctrine/annotations": "^2.0",
-                "nikic/php-parser": "^4.15",
+                "nikic/php-parser": "^5.3.0",
                 "php-parallel-lint/php-parallel-lint": "^1.2",
                 "phpstan/extension-installer": "^1.0",
-                "phpstan/phpstan": "^1.5",
-                "phpstan/phpstan-phpunit": "^1.1",
-                "phpstan/phpstan-strict-rules": "^1.0",
-                "phpunit/phpunit": "^9.5",
+                "phpstan/phpstan": "^2.0",
+                "phpstan/phpstan-phpunit": "^2.0",
+                "phpstan/phpstan-strict-rules": "^2.0",
+                "phpunit/phpunit": "^9.6",
                 "symfony/process": "^5.2"
             },
             "type": "library",
@@ -2433,9 +2433,9 @@
             "description": "PHPDoc parser with support for nullable, intersection and generic types",
             "support": {
                 "issues": "https://github.com/phpstan/phpdoc-parser/issues",
-                "source": "https://github.com/phpstan/phpdoc-parser/tree/1.33.0"
+                "source": "https://github.com/phpstan/phpdoc-parser/tree/2.0.0"
             },
-            "time": "2024-10-13T11:25:22+00:00"
+            "time": "2024-10-13T11:29:49+00:00"
         },
         {
             "name": "phpstan/phpstan",
@@ -5118,8 +5118,8 @@
             "type": "library",
             "extra": {
                 "thanks": {
-                    "name": "symfony/polyfill",
-                    "url": "https://github.com/symfony/polyfill"
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
                 }
             },
             "autoload": {
@@ -5951,5 +5951,5 @@
     "platform-overrides": {
         "php": "7.4.0"
     },
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.6.0"
 }