diff --git a/composer.json b/composer.json
index 2a66d3f7e8..b88a960001 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
 		"clue/block-react": "^1.4",
 		"clue/ndjson-react": "^1.0",
 		"composer/ca-bundle": "^1.2",
-		"composer/xdebug-handler": "^1.3.0",
+		"composer/xdebug-handler": "^2.0.1",
 		"hoa/compiler": "3.17.08.08",
 		"hoa/exception": "^1.0",
 		"hoa/regex": "1.17.01.13",
diff --git a/composer.lock b/composer.lock
index b4a1317a78..e5e77e60d8 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": "e9be691c64255dac47c72c212248e90c",
+    "content-hash": "55eb81a286b51d66deae556880646511",
     "packages": [
         {
             "name": "clue/block-react",
@@ -278,16 +278,16 @@
         },
         {
             "name": "composer/xdebug-handler",
-            "version": "1.4.4",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/xdebug-handler.git",
-                "reference": "6e076a124f7ee146f2487554a94b6a19a74887ba"
+                "reference": "964adcdd3a28bf9ed5d9ac6450064e0d71ed7496"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/6e076a124f7ee146f2487554a94b6a19a74887ba",
-                "reference": "6e076a124f7ee146f2487554a94b6a19a74887ba",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/964adcdd3a28bf9ed5d9ac6450064e0d71ed7496",
+                "reference": "964adcdd3a28bf9ed5d9ac6450064e0d71ed7496",
                 "shasum": ""
             },
             "require": {
@@ -295,7 +295,8 @@
                 "psr/log": "^1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8.35 || ^5.7 || 6.5 - 8"
+                "phpstan/phpstan": "^0.12.55",
+                "symfony/phpunit-bridge": "^4.2 || ^5"
             },
             "type": "library",
             "autoload": {
@@ -321,7 +322,7 @@
             "support": {
                 "irc": "irc://irc.freenode.org/composer",
                 "issues": "https://github.com/composer/xdebug-handler/issues",
-                "source": "https://github.com/composer/xdebug-handler/tree/1.4.4"
+                "source": "https://github.com/composer/xdebug-handler/tree/2.0.1"
             },
             "funding": [
                 {
@@ -337,7 +338,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-24T12:39:10+00:00"
+            "time": "2021-05-05T19:37:51+00:00"
         },
         {
             "name": "evenement/evenement",
diff --git a/src/Command/CommandHelper.php b/src/Command/CommandHelper.php
index 02258c5b74..5194ab3f3a 100644
--- a/src/Command/CommandHelper.php
+++ b/src/Command/CommandHelper.php
@@ -52,7 +52,7 @@ public static function begin(
 	): InceptionResult
 	{
 		if (!$allowXdebug) {
-			$xdebug = new XdebugHandler('phpstan', '--ansi');
+			$xdebug = new XdebugHandler('phpstan');
 			$xdebug->check();
 			unset($xdebug);
 		}