diff --git a/Build/BuilderInterface.php b/Build/BuilderInterface.php
index b9d601d..c824c96 100644
--- a/Build/BuilderInterface.php
+++ b/Build/BuilderInterface.php
@@ -28,7 +28,7 @@ public function getName();
     /**
      * Return the dependencies for this builder.
      *
-     * @return array
+     * @return array<string>
      */
     public function getDependencies();