diff --git a/nagios/values.yaml b/nagios/values.yaml
index 74e2da9fe..839dcb826 100644
--- a/nagios/values.yaml
+++ b/nagios/values.yaml
@@ -1107,7 +1107,7 @@ conf:
       service_interleave_factor: s
       host_inter_check_delay_method: s
       max_host_check_spread: 30
-      max_concurrent_checks: 300
+      max_concurrent_checks: 10
       check_result_reaper_frequency: 10
       max_check_result_reaper_time: 30
       check_result_path: /opt/nagios/var/spool/checkresults
@@ -1138,7 +1138,7 @@ conf:
       retained_contact_host_attribute_mask: 0
       retained_contact_service_attribute_mask: 0
       interval_length: 1
-      check_workers: 4
+      check_workers: 1
       check_for_updates: 1
       bare_update_check: 0
       use_aggressive_host_checking: 0