diff --git a/.github/.kodiak.toml b/.github/.kodiak.toml
deleted file mode 100644
index 60c34b6..0000000
--- a/.github/.kodiak.toml
+++ /dev/null
@@ -1,10 +0,0 @@
-version = 1
-
-[merge]
-automerge_label = "automerge"
-blacklist_title_regex = "^WIP.*"
-blacklist_labels = ["WIP"]
-method = "rebase"
-delete_branch_on_merge = true
-notify_on_conflict = true
-optimistic_updates = false
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a574bd1..7d85dd5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,33 +5,39 @@ on:
   workflow_dispatch:
 
   push:
-    branches: [ "*" ]
+    branches: ["*"]
 
   schedule:
     - cron: "0 8 * * 1"
 
 jobs:
-  test83:
+  test85:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.3"
+      php: "8.5"
 
-  test82:
+  test84:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.2"
+      php: "8.4"
 
-  test81:
+  test83:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.1"
+      php: "8.3"
+
+  test82:
+    name: "Nette Tester"
+    uses: contributte/.github/.github/workflows/nette-tester.yml@master
+    with:
+      php: "8.2"
 
   testlower:
     name: "Nette Tester"
     uses: contributte/.github/.github/workflows/nette-tester.yml@master
     with:
-      php: "8.1"
+      php: "8.2"
       composer: "composer update --no-interaction --no-progress --prefer-dist --prefer-stable --prefer-lowest"
diff --git a/composer.json b/composer.json
index 60b7fb3..35601a7 100644
--- a/composer.json
+++ b/composer.json
@@ -21,16 +21,16 @@
     }
   ],
   "require": {
-    "php": ">=8.1",
+    "php": ">=8.2",
     "nette/di": "^3.1.8",
     "dragonmantank/cron-expression": "^3.3.3",
-    "symfony/console": "^6.4.1 || ^7.0.1"
+    "symfony/console": "^6.4.1 || ^7.0.1 || ^8.0.0"
   },
   "require-dev": {
-    "mockery/mockery": "^1.6.7",
-    "contributte/qa": "^0.4",
-    "contributte/tester": "^0.4",
-    "contributte/phpstan": "^0.1",
+    "mockery/mockery": "^1.6.12",
+    "contributte/qa": "^0.4.0",
+    "contributte/tester": "^0.4.0",
+    "contributte/phpstan": "^0.2.0",
     "tracy/tracy": "^2.10.5"
   },
   "autoload": {
diff --git a/phpstan.neon b/phpstan.neon
index 562ab05..cd64186 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,7 +3,7 @@ includes:
 
 parameters:
 	level: 9
-	phpVersion: 80100
+	phpVersion: 80200
 
 	scanDirectories:
 		- src
@@ -14,5 +14,3 @@ parameters:
 	paths:
 		- src
 		- .docs
-
-	ignoreErrors:
diff --git a/ruleset.xml b/ruleset.xml
index f6061ee..a4ef64c 100644
--- a/ruleset.xml
+++ b/ruleset.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ruleset name="Contributte" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
 	<!-- Rulesets -->
-	<rule ref="./vendor/contributte/qa/ruleset-8.0.xml"/>
+	<rule ref="./vendor/contributte/qa/ruleset-8.2.xml"/>
 
 	<!-- Rules -->
 	<rule ref="SlevomatCodingStandard.Files.TypeNameMatchesFileName">
diff --git a/src/Command/ListCommand.php b/src/Command/ListCommand.php
index 77d92ec..d3b2353 100644
--- a/src/Command/ListCommand.php
+++ b/src/Command/ListCommand.php
@@ -69,8 +69,10 @@ private static function formatRow(string $key, IJob $job, DateTime $dateTime): a
 				$row[] = $callback;
 			} elseif (is_array($callback)) {
 				$class = $callback[0];
-				$callback = $callback[1];
-				$row[] = $class::class . '->' . $callback . '()';
+				$method = $callback[1];
+				assert(is_object($class));
+				assert(is_string($method));
+				$row[] = $class::class . '->' . $method . '()';
 			} else {
 				throw new LogicalException('Unknown callback');
 			}
diff --git a/src/DI/SchedulerExtension.php b/src/DI/SchedulerExtension.php
index 267329b..d3f4bc4 100644
--- a/src/DI/SchedulerExtension.php
+++ b/src/DI/SchedulerExtension.php
@@ -76,7 +76,7 @@ public function loadConfiguration(): void
 				} else {
 					// Class config with optional inject
 					$class = $jobConfig['class'] ?? null;
-					if ($class === null) {
+					if ($class === null || !is_string($class)) {
 						throw new InvalidArgumentException(sprintf('Option "class" of %s > jobs > %s must be configured', $this->name, $jobName));
 					}