diff --git a/make/harbor.cfg b/make/harbor.cfg
index f702ea1a2..1dbfd826a 100644
--- a/make/harbor.cfg
+++ b/make/harbor.cfg
@@ -11,7 +11,7 @@ hostname = reg.mydomain.com
 ui_url_protocol = http
 
 #Maximum number of job workers in job service  
-max_job_workers = 50 
+max_job_workers = 10 
 
 #Determine whether or not to generate certificate for the registry's token.
 #If the value is on, the prepare script creates new root cert and private key