diff --git a/src/Configuration.php b/src/Configuration.php
index b095d235..3bb70640 100644
--- a/src/Configuration.php
+++ b/src/Configuration.php
@@ -310,6 +310,11 @@ private static function getVerbosityFromInput(InputInterface $input)
                     return self::VERBOSITY_VERY_VERBOSE;
                 case '3':
                 case 'vv': // `-vvv`
+                case 'vvv':
+                case 'vvvv':
+                case 'vvvvv':
+                case 'vvvvvv':
+                case 'vvvvvvv':
                     return self::VERBOSITY_DEBUG;
                 default: // implicitly normal, config file default wins
                     return;