diff --git a/full-tool-build.sh b/full-tool-build.sh
old mode 100644
new mode 100755
index ab51052..949d3a0
--- a/full-tool-build.sh
+++ b/full-tool-build.sh
@@ -7,8 +7,9 @@ composer install --ansi
 composer update --no-dev --ansi
 
 # downgrade with rector
+rm -rf rector-local
 mkdir rector-local
-composer require rector/rector --working-dir rector-local
+composer require rector/rector --working-dir rector-local --no-interaction
 rector-local/vendor/bin/rector process bin src vendor --config build/rector-downgrade-php-72.php --ansi
 
 # prefix
diff --git a/src/Command/RunCommand.php b/src/Command/RunCommand.php
index f015e03..ab60cf3 100644
--- a/src/Command/RunCommand.php
+++ b/src/Command/RunCommand.php
@@ -47,7 +47,7 @@ protected function configure(): void
 
         $this->addOption('min-level', null, InputOption::VALUE_REQUIRED, 'Min PHPStan level to run', 0);
         $this->addOption('max-level', null, InputOption::VALUE_REQUIRED, 'Max PHPStan level to run', 8);
-
+        $this->addOption('timeout', null, InputOption::VALUE_OPTIONAL, 'Set PHPStan process timeout in seconds');
         $this->addOption('env-file', null, InputOption::VALUE_REQUIRED, 'Path to project .env file');
         $this->addOption('json', null, InputOption::VALUE_NONE, 'Show result in JSON');
 
@@ -73,7 +73,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $minPhpStanLevel = (int) $input->getOption('min-level');
         $maxPhpStanLevel = (int) $input->getOption('max-level');
         Assert::lessThanEq($minPhpStanLevel, $maxPhpStanLevel);
-
+        $phpStanTimeout = $input->getOption('timeout') ? (int) $input->getOption('timeout') : null;
         $isBare = (bool) $input->getOption('bare');
         $isJson = (bool) $input->getOption('json');
         $isNoIgnore = (bool) $input->getOption('no-ignore');
@@ -115,7 +115,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 usleep(700_000);
             }
 
-            $levelResult = $this->measureErrorCountInLevel($phpStanLevel, $projectDirectory, $envVariables);
+            $levelResult = $this->measureErrorCountInLevel($phpStanLevel, $projectDirectory, $envVariables, $phpStanTimeout);
             $levelResults[] = $levelResult;
 
             $section->overwrite(sprintf($infoMessage . ': found %d errors', $levelResult->getErrorCount()));
@@ -150,9 +150,10 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     private function measureErrorCountInLevel(
         int $phpStanLevel,
         string $projectDirectory,
-        array $envVariables
+        array $envVariables,
+        ?int $phpStanTimeout
     ): LevelResult {
-        $process = $this->analyseProcessFactory->create($projectDirectory, $phpStanLevel, $envVariables);
+        $process = $this->analyseProcessFactory->create($projectDirectory, $phpStanLevel, $envVariables, $phpStanTimeout);
         $process->run();
 
         $result = $this->phpStanResultResolver->resolve($process);
diff --git a/src/Process/AnalyseProcessFactory.php b/src/Process/AnalyseProcessFactory.php
index f7d8ef1..de9bbf3 100644
--- a/src/Process/AnalyseProcessFactory.php
+++ b/src/Process/AnalyseProcessFactory.php
@@ -22,7 +22,7 @@ final class AnalyseProcessFactory
     /**
      * @param array<string, mixed> $envVariables
      */
-    public function create(string $projectDirectory, int $phpStanLevel, array $envVariables): Process
+    public function create(string $projectDirectory, int $phpStanLevel, array $envVariables, ?int $phpStanTimeout = self::TIMEOUT_IN_SECONDS): Process
     {
         $phpStanBinFilePath = ComposerLoader::getPHPStanBinFile($projectDirectory);
 
@@ -34,13 +34,15 @@ public function create(string $projectDirectory, int $phpStanLevel, array $envVa
             // increase default memory limit to allow analyse huge projects
             '--memory-limit',
             self::MEMORY_LIMIT,
+            '--timeout',
+            $phpStanTimeout,
             '--level',
             $phpStanLevel,
             '--configuration',
             'phpstan-bodyscan.neon',
         ];
 
-        return new Process($command, $projectDirectory, $envVariables, null, self::TIMEOUT_IN_SECONDS);
+        return new Process($command, $projectDirectory, $envVariables, null, $phpStanTimeout);
     }
 
     public function createTypeCoverageProcess(string $projectDirectory): Process