diff --git a/Makefile b/Makefile
index b959b04..10e7fe1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 ifdef CI
 	DOCKER_PHP_EXEC :=
 else
-	DOCKER_PHP_EXEC := docker compose run --rm php
+	DOCKER_PHP_EXEC := docker compose run --rm --env PHP_CS_FIXER_IGNORE_ENV=1 php
 endif
 
 all: csfix static-analysis test
diff --git a/composer.json b/composer.json
index 9f5c65f..16ed953 100644
--- a/composer.json
+++ b/composer.json
@@ -14,10 +14,10 @@
 "php": "~8.3.0 || ~8.4.0"
 },
 "require-dev": {
- "phpstan/phpstan": "^2",
- "phpstan/phpstan-phpunit": "^2",
- "phpstan/phpstan-strict-rules": "^2",
- "phpunit/phpunit": "^11.5.1",
+ "phpstan/phpstan": "^2.1.1",
+ "phpstan/phpstan-phpunit": "^2.0.3",
+ "phpstan/phpstan-strict-rules": "^2.0.1",
+ "phpunit/phpunit": "^11.5.2",
 "slam/php-cs-fixer-extensions": "^3.12",
 "symfony/console": "^7.2.1"
 },
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 4818c52..403c999 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -6,12 +6,6 @@ parameters:
 			count: 1
 			path: lib/ErrorHandler.php
 
-		-
-			message: '#^Parameter \#2 \$array of function implode expects array\<string\>, mixed given\.$#'
-			identifier: argument.type
-			count: 1
-			path: lib/ErrorHandler.php
-
 		-
 			message: '#^Parameter \#2 \$array of function implode expects array\&#124;null, mixed given\.$#'
 			identifier: argument.type
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/Slamdunk/php-errorhandler-legacy/pull/49.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/Slamdunk/php-errorhandler-legacy/pull/49.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>