diff --git a/.github/workflows/build-issue-bot.yml b/.github/workflows/build-issue-bot.yml
index 4cb6286c2b..6bb4e62e30 100644
--- a/.github/workflows/build-issue-bot.yml
+++ b/.github/workflows/build-issue-bot.yml
@@ -40,7 +40,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          php-version: "8.3"
+          php-version: "8.5"
 
       - uses: "ramsey/composer-install@v3"
 
diff --git a/.github/workflows/issue-bot.yml b/.github/workflows/issue-bot.yml
index 19055acdc7..8079b19bf0 100644
--- a/.github/workflows/issue-bot.yml
+++ b/.github/workflows/issue-bot.yml
@@ -38,7 +38,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          php-version: "8.3"
+          php-version: "8.5"
 
       - name: "Install issue-bot dependencies"
         uses: "ramsey/composer-install@v3"
@@ -89,7 +89,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          php-version: "8.3"
+          php-version: "8.5"
 
       - uses: "ramsey/composer-install@v3"
         with:
@@ -133,7 +133,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          php-version: "8.3"
+          php-version: "8.5"
 
       - name: "Install issue-bot dependencies"
         uses: "ramsey/composer-install@v3"
diff --git a/issue-bot/phpstan.neon b/issue-bot/phpstan.neon
index 7ff756707c..fc9f4f1c45 100644
--- a/issue-bot/phpstan.neon
+++ b/issue-bot/phpstan.neon
@@ -11,3 +11,4 @@ parameters:
 		- src
 		- tests
 		- console.php
+	phpVersion: 80500
diff --git a/issue-bot/src/Playground/TabCreator.php b/issue-bot/src/Playground/TabCreator.php
index a6254957b2..d666c48be0 100644
--- a/issue-bot/src/Playground/TabCreator.php
+++ b/issue-bot/src/Playground/TabCreator.php
@@ -2,6 +2,8 @@
 
 namespace PHPStan\IssueBot\Playground;
 
+// phpcs:ignoreFile
+
 use function array_filter;
 use function array_map;
 use function array_values;
@@ -28,22 +30,23 @@ public function create(array $versionedErrors): array
 		$last = null;
 
 		foreach ($versionedErrors as $phpVersion => $errors) {
-			$errors = array_values(array_filter($errors, static fn (PlaygroundError $error) => $error->getIdentifier() !== 'phpstanPlayground.configParameter'));
-			$errors = array_map(static function (PlaygroundError $error): PlaygroundError {
-				if ($error->getIdentifier() === null) {
-					return $error;
-				}
-
-				if (!str_starts_with($error->getIdentifier(), 'phpstanPlayground.')) {
-					return $error;
-				}
-
-				return new PlaygroundError(
-					$error->getLine(),
-					sprintf('Tip: %s', $error->getMessage()),
-					$error->getIdentifier(),
-				);
-			}, $errors);
+			$errors = array_filter($errors, static fn (PlaygroundError $error) => $error->getIdentifier() !== 'phpstanPlayground.configParameter')
+				|> array_values(...)
+				|> (static fn ($errors) => array_map(static function (PlaygroundError $error): PlaygroundError {
+					if ($error->getIdentifier() === null) {
+						return $error;
+					}
+
+					if (!str_starts_with($error->getIdentifier(), 'phpstanPlayground.')) {
+						return $error;
+					}
+
+					return new PlaygroundError(
+						$error->getLine(),
+						sprintf('Tip: %s', $error->getMessage()),
+						$error->getIdentifier(),
+					);
+				}, $errors));
 			$current = [
 				'versions' => [$phpVersion],
 				'errors' => $errors,