diff --git a/src/Services/Runner.php b/src/Services/Runner.php
index da88185..240d8d8 100644
--- a/src/Services/Runner.php
+++ b/src/Services/Runner.php
@@ -26,7 +26,7 @@ protected function run(callable $callback): array
         $callback();
 
         $time = $this->diff(hrtime(true), $startAt);
-        $ram  = memory_get_usage() - $ramFrom;
+        $ram  = memory_get_peak_usage() - $ramFrom;
 
         return [$time, $ram];
     }