diff --git a/garak/resources/garak.core.yaml b/garak/resources/garak.core.yaml
index 881d2181..00e7e9c3 100644
--- a/garak/resources/garak.core.yaml
+++ b/garak/resources/garak.core.yaml
@@ -7,7 +7,7 @@ system:
   lite: true
   show_z: false
   enable_experimental: false
-  max_workers: 1000
+  max_workers: 500
 
 run:
   seed: