diff --git a/src/Application/ApplicationFileProcessor.php b/src/Application/ApplicationFileProcessor.php
index 5588508074b..4d6416b1c61 100644
--- a/src/Application/ApplicationFileProcessor.php
+++ b/src/Application/ApplicationFileProcessor.php
@@ -5,10 +5,13 @@
 namespace Rector\Application;
 
 use Nette\Utils\FileSystem as UtilsFileSystem;
+use Rector\Caching\Cache;
 use Rector\Caching\Detector\ChangedFilesDetector;
+use Rector\Caching\Enum\CacheKey;
 use Rector\Configuration\Option;
 use Rector\Configuration\Parameter\SimpleParameterProvider;
 use Rector\Configuration\VendorMissAnalyseGuard;
+use Rector\NodeTypeResolver\Reflection\BetterReflection\SourceLocatorProvider\DynamicSourceLocatorProvider;
 use Rector\Parallel\Application\ParallelFileProcessor;
 use Rector\Provider\CurrentFileProvider;
 use Rector\Testing\PHPUnit\StaticPHPUnitEnvironment;
@@ -50,6 +53,8 @@ public function __construct(
         private readonly FileProcessor $fileProcessor,
         private readonly ArrayParametersMerger $arrayParametersMerger,
         private readonly VendorMissAnalyseGuard $vendorMissAnalyseGuard,
+        private readonly DynamicSourceLocatorProvider $dynamicSourceLocatorProvider,
+        private readonly Cache $cache
     ) {
     }
 
@@ -71,6 +76,10 @@ public function run(Configuration $configuration, InputInterface $input): Proces
             return new ProcessResult([], []);
         }
 
+        // ensure clear classnames collection caches on repetitive call
+        $key = CacheKey::CLASSNAMES_HASH_KEY . '_' . $this->dynamicSourceLocatorProvider->getCacheClassNameKey();
+        $this->cache->clean($key);
+
         $this->configureCustomErrorHandler();
 
         /**
@@ -98,6 +107,9 @@ public function run(Configuration $configuration, InputInterface $input): Proces
             $preFileCallback = null;
         }
 
+        // trigger cache class names collection
+        $this->dynamicSourceLocatorProvider->provide();
+
         if ($configuration->isParallel()) {
             $processResult = $this->runParallel($filePaths, $configuration, $input, $postFileCallback);
         } else {
diff --git a/src/Caching/Enum/CacheKey.php b/src/Caching/Enum/CacheKey.php
index 66512c05905..df5df985508 100644
--- a/src/Caching/Enum/CacheKey.php
+++ b/src/Caching/Enum/CacheKey.php
@@ -18,4 +18,9 @@ final class CacheKey
      * @var string
      */
     public const FILE_HASH_KEY = 'file_hash';
+
+    /**
+     * @var string
+     */
+    public const CLASSNAMES_HASH_KEY = 'classnames_hash';
 }
diff --git a/src/Console/Command/ProcessCommand.php b/src/Console/Command/ProcessCommand.php
index 5c2b9655289..502b9425bab 100644
--- a/src/Console/Command/ProcessCommand.php
+++ b/src/Console/Command/ProcessCommand.php
@@ -36,7 +36,7 @@ public function __construct(
         private readonly OutputFormatterCollector $outputFormatterCollector,
         private readonly SymfonyStyle $symfonyStyle,
         private readonly MemoryLimiter $memoryLimiter,
-        private readonly ConfigurationFactory $configurationFactory,
+        private readonly ConfigurationFactory $configurationFactory
     ) {
         parent::__construct();
     }
diff --git a/src/DependencyInjection/LazyContainerFactory.php b/src/DependencyInjection/LazyContainerFactory.php
index 10472589b8a..1ffc1937905 100644
--- a/src/DependencyInjection/LazyContainerFactory.php
+++ b/src/DependencyInjection/LazyContainerFactory.php
@@ -180,6 +180,7 @@
 use Rector\StaticTypeMapper\PhpParser\StringNodeMapper;
 use Rector\StaticTypeMapper\PhpParser\UnionTypeNodeMapper;
 use Rector\StaticTypeMapper\StaticTypeMapper;
+use Rector\Util\FileHasher;
 use Rector\Utils\Command\MissingInSetCommand;
 use Rector\Utils\Command\OutsideAnySetCommand;
 use Symfony\Component\Console\Application;
@@ -469,7 +470,11 @@ static function (Container $container): DynamicSourceLocatorProvider {
         $rectorConfig->afterResolving(
             DynamicSourceLocatorProvider::class,
             static function (DynamicSourceLocatorProvider $dynamicSourceLocatorProvider, Container $container): void {
-                $dynamicSourceLocatorProvider->autowire($container->make(ReflectionProvider::class));
+                $dynamicSourceLocatorProvider->autowire(
+                    $container->make(ReflectionProvider::class),
+                    $container->make(Cache::class),
+                    $container->make(FileHasher::class)
+                );
             }
         );
 
diff --git a/src/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php b/src/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
index 165e1868db5..014ae82ec24 100644
--- a/src/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
+++ b/src/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
@@ -14,8 +14,11 @@
 use PHPStan\Reflection\BetterReflection\SourceLocator\OptimizedDirectorySourceLocatorFactory;
 use PHPStan\Reflection\BetterReflection\SourceLocator\OptimizedSingleFileSourceLocator;
 use PHPStan\Reflection\ReflectionProvider;
+use Rector\Caching\Cache;
+use Rector\Caching\Enum\CacheKey;
 use Rector\Contract\DependencyInjection\ResetableInterface;
 use Rector\Testing\PHPUnit\StaticPHPUnitEnvironment;
+use Rector\Util\FileHasher;
 
 /**
  * @api phpstan external
@@ -36,15 +39,25 @@ final class DynamicSourceLocatorProvider implements ResetableInterface
 
     private ReflectionProvider $reflectionProvider;
 
+    private Cache $cache;
+
+    private FileHasher $fileHasher;
+
     public function __construct(
         private readonly FileNodesFetcher $fileNodesFetcher,
         private readonly OptimizedDirectorySourceLocatorFactory $optimizedDirectorySourceLocatorFactory
     ) {
     }
 
-    public function autowire(ReflectionProvider $reflectionProvider): void
+    public function autowire(
+        ReflectionProvider $reflectionProvider,
+        Cache $cache,
+        FileHasher $fileHasher
+    ): void
     {
         $this->reflectionProvider = $reflectionProvider;
+        $this->cache = $cache;
+        $this->fileHasher = $fileHasher;
     }
 
     public function setFilePath(string $filePath): void
@@ -52,6 +65,22 @@ public function setFilePath(string $filePath): void
         $this->filePaths = [$filePath];
     }
 
+    public function getCacheClassNameKey(): string
+    {
+        $paths = [];
+
+        foreach ($this->filePaths as $filePath) {
+            $paths[] = (string) realpath($filePath);
+        }
+
+        foreach ($this->directories as $directory) {
+            $paths[] = (string) realpath($directory);
+        }
+
+        $paths = array_filter($paths);
+        return CacheKey::CLASSNAMES_HASH_KEY . '_' . $this->fileHasher->hash((string) json_encode($paths));
+    }
+
     /**
      * @param string[] $files
      */
@@ -109,6 +138,19 @@ public function reset(): void
         $this->aggregateSourceLocator = null;
     }
 
+    /**
+     * @param class-string[] $classNamesCache
+     */
+    private function locateCachedClassNames(array $classNamesCache): void
+    {
+        foreach ($classNamesCache as $classNameCache) {
+            try {
+                $this->reflectionProvider->getClass($classNameCache);
+            } catch (ClassNotFoundException) {
+            }
+        }
+    }
+
     /**
      * @param OptimizedSingleFileSourceLocator[]|NewOptimizedDirectorySourceLocator[] $sourceLocators
      */
@@ -123,19 +165,38 @@ private function collectClasses(AggregateSourceLocator $aggregateSourceLocator,
             return;
         }
 
+        $key = CacheKey::CLASSNAMES_HASH_KEY . '_' . $this->getCacheClassNameKey();
+        $classNamesCache = $this->cache->load($key, CacheKey::CLASSNAMES_HASH_KEY);
+
+        if (is_string($classNamesCache)) {
+            $classNamesCache = json_decode($classNamesCache);
+            if (is_array($classNamesCache)) {
+                $this->locateCachedClassNames($classNamesCache);
+                return;
+            }
+        }
+
         $reflector = new DefaultReflector($aggregateSourceLocator);
+        $classNames = [];
 
         // trigger collect "classes" on get class on locate identifier
         try {
             $reflections = $reflector->reflectAllClasses();
             foreach ($reflections as $reflection) {
+                $className = $reflection->getName();
+
                 // make 'classes' collection
                 try {
-                    $this->reflectionProvider->getClass($reflection->getName());
+                    $this->reflectionProvider->getClass($className);
                 } catch (ClassNotFoundException) {
+                    continue;
                 }
+
+                $classNames[] = $className;
             }
         } catch (CouldNotReadFileException) {
         }
+
+        $this->cache->save($key, CacheKey::CLASSNAMES_HASH_KEY, json_encode($classNames));
     }
 }