diff --git a/README.md b/README.md
index 4706dc4..0869ad7 100644
--- a/README.md
+++ b/README.md
@@ -137,6 +137,17 @@ autoDI:
         - %appDir%/../vendor
 ```
 
+You can ignore directories, like this: 
+```yaml
+autoDI:
+    directories:
+        - %appDir%
+        - %appDir%/../vendor
+    ignoreDirectories: 
+        - exludedDir
+        - anotherExludedDir
+```
+
 ## Register services on configuration
 
 Compiler extensions such as AutoDIExtension manipulates the DI container
diff --git a/src/AutoDI/DI/AutoDIExtension.php b/src/AutoDI/DI/AutoDIExtension.php
index f481941..2d114ab 100644
--- a/src/AutoDI/DI/AutoDIExtension.php
+++ b/src/AutoDI/DI/AutoDIExtension.php
@@ -20,6 +20,7 @@ class AutoDIExtension extends CompilerExtension
 		'directories' => [
 			'%appDir%',
 		],
+		'ignoreDirectories' => [],
 		'defaults' => [],
 		'tempDir' => '%tempDir%',
 	];
@@ -55,6 +56,10 @@ private function registerServices(): void
 			$robotLoader->addDirectory($directory);
 		}
 
+		foreach ($config['ignoreDirectories'] as $ignoredDirectory) {
+			$robotLoader->ignoreDirs = $robotLoader->ignoreDirs . ',' . $ignoredDirectory;
+		}
+
 		$robotLoader->setTempDirectory($config['tempDir']);
 		$robotLoader->rebuild();