diff --git a/.phpstan/baseline-lt-8.3.neon b/.phpstan/baseline-lt-8.3.neon
new file mode 100644
index 0000000..95a742d
--- /dev/null
+++ b/.phpstan/baseline-lt-8.3.neon
@@ -0,0 +1,7 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Call to an undefined method Random\\\\Randomizer\\:\\:getBytesFromString\\(\\)\\.$#"
+			count: 1
+			path: ../src/Core/OAuth2Provider.php
+
diff --git a/.phpstan/ignore-by-php-version.php b/.phpstan/ignore-by-php-version.php
new file mode 100644
index 0000000..764c8c0
--- /dev/null
+++ b/.phpstan/ignore-by-php-version.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types = 1);
+
+$includes = [];
+
+if(PHP_VERSION_ID < 80300){
+	$includes[] = __DIR__.'/baseline-lt-8.3.neon';
+}
+
+$config                             = [];
+$config['includes']                 = $includes;
+$config['parameters']['phpVersion'] = PHP_VERSION_ID;
+
+return $config;
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
index 78a143a..6657ad1 100644
--- a/phpstan.dist.neon
+++ b/phpstan.dist.neon
@@ -10,9 +10,10 @@ parameters:
 
 	treatPhpDocTypesAsCertain: false
 
-
+# see https://github.com/phpstan/phpstan-src/blob/1.8.x/build/ignore-by-php-version.neon.php
 includes:
 	- phpstan-baseline.neon
+	- .phpstan/ignore-by-php-version.php
 	- vendor/phpstan/phpstan/conf/bleedingEdge.neon
 	- vendor/phpstan/phpstan-deprecation-rules/rules.neon
 	- vendor/chillerlan/php-settings-container/rules-magic-access.neon
diff --git a/src/Core/OAuth2Provider.php b/src/Core/OAuth2Provider.php
index 20a53c3..595db11 100644
--- a/src/Core/OAuth2Provider.php
+++ b/src/Core/OAuth2Provider.php
@@ -635,6 +635,7 @@ final public function setCodeVerifier(array $params):array{
 	final public function generateVerifier(int $length):string{
 
 		// use the Randomizer if available
+		// https://github.com/phpstan/phpstan/issues/7843
 		if(PHP_VERSION_ID >= 80300){
 			$randomizer = new \Random\Randomizer(new \Random\Engine\Secure);