diff --git a/composer.json b/composer.json
index 9f8c6569..22501953 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
   "require": {
     "php": "^7.2 || ^8.0",
     "ext-simplexml": "*",
-    "phpstan/phpstan": "^1.9.4"
+    "phpstan/phpstan": "^1.9.18"
   },
   "conflict": {
     "symfony/framework-bundle": "<3.0"
diff --git a/extension.neon b/extension.neon
index e4880077..1a8cf313 100644
--- a/extension.neon
+++ b/extension.neon
@@ -58,8 +58,6 @@ parameters:
 		- stubs/Symfony/Component/Security/Core/Authentication/Token/TokenInterface.stub
 		- stubs/Symfony/Component/Security/Core/Authorization/Voter/Voter.stub
 		- stubs/Symfony/Component/Security/Core/Authorization/Voter/VoterInterface.stub
-		- stubs/Symfony/Component/Security/Core/User/PasswordAuthenticatedUserInterface.stub
-		- stubs/Symfony/Component/Security/Core/User/PasswordUpgraderInterface.stub
 		- stubs/Symfony/Component/Serializer/Encoder/ContextAwareDecoderInterface.stub
 		- stubs/Symfony/Component/Serializer/Encoder/DecoderInterface.stub
 		- stubs/Symfony/Component/Serializer/Encoder/EncoderInterface.stub
@@ -298,6 +296,10 @@ services:
 		class: PHPStan\Symfony\InputBagStubFilesExtension
 		tags:
 			- phpstan.stubFilesExtension
+	-
+		class: PHPStan\Symfony\PasswordAuthenticatedUserStubFilesExtension
+		tags:
+			- phpstan.stubFilesExtension
 
 	# FormInterface::getErrors() return type
 	-
diff --git a/src/Symfony/InputBagStubFilesExtension.php b/src/Symfony/InputBagStubFilesExtension.php
index 834ca228..140dae99 100644
--- a/src/Symfony/InputBagStubFilesExtension.php
+++ b/src/Symfony/InputBagStubFilesExtension.php
@@ -2,15 +2,28 @@
 
 namespace PHPStan\Symfony;
 
+use PHPStan\BetterReflection\Reflector\Exception\IdentifierNotFound;
+use PHPStan\BetterReflection\Reflector\Reflector;
 use PHPStan\PhpDoc\StubFilesExtension;
-use function class_exists;
 
 class InputBagStubFilesExtension implements StubFilesExtension
 {
 
+	/** @var Reflector */
+	private $reflector;
+
+	public function __construct(
+		Reflector $reflector
+	)
+	{
+		$this->reflector = $reflector;
+	}
+
 	public function getFiles(): array
 	{
-		if (!class_exists('Symfony\Component\HttpFoundation\InputBag')) {
+		try {
+			$this->reflector->reflectClass('Symfony\Component\HttpFoundation\InputBag');
+		} catch (IdentifierNotFound $e) {
 			return [];
 		}
 
diff --git a/src/Symfony/PasswordAuthenticatedUserStubFilesExtension.php b/src/Symfony/PasswordAuthenticatedUserStubFilesExtension.php
new file mode 100644
index 00000000..8f8c4782
--- /dev/null
+++ b/src/Symfony/PasswordAuthenticatedUserStubFilesExtension.php
@@ -0,0 +1,36 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Symfony;
+
+use PHPStan\BetterReflection\Reflector\Exception\IdentifierNotFound;
+use PHPStan\BetterReflection\Reflector\Reflector;
+use PHPStan\PhpDoc\StubFilesExtension;
+
+class PasswordAuthenticatedUserStubFilesExtension implements StubFilesExtension
+{
+
+	/** @var Reflector */
+	private $reflector;
+
+	public function __construct(
+		Reflector $reflector
+	)
+	{
+		$this->reflector = $reflector;
+	}
+
+	public function getFiles(): array
+	{
+		try {
+			$this->reflector->reflectClass('Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface');
+		} catch (IdentifierNotFound $e) {
+			return [];
+		}
+
+		return [
+			__DIR__ . '/../../stubs/Symfony/Component/Security/Core/User/PasswordAuthenticatedUserInterface.stub',
+			__DIR__ . '/../../stubs/Symfony/Component/Security/Core/User/PasswordUpgraderInterface.stub',
+		];
+	}
+
+}