diff --git a/config/benchmarking_latency.conf b/config/benchmarking_latency.conf
index 63e072f83..fe669c8e9 100644
--- a/config/benchmarking_latency.conf
+++ b/config/benchmarking_latency.conf
@@ -45,4 +45,4 @@
 --ast-cache=true
 
 # number of workers
---num-workers=2
+--num-workers=1