diff --git a/extras/hs-test/resources/nginx/vcl.conf b/extras/hs-test/resources/nginx/vcl.conf
index 737b8a8..cfcd5d2 100644
--- a/extras/hs-test/resources/nginx/vcl.conf
+++ b/extras/hs-test/resources/nginx/vcl.conf
@@ -4,6 +4,7 @@
   add-segment-size 4000000000
   rx-fifo-size 4000000
   tx-fifo-size 4000000
+  event-queue-size 100000
 
   use-mq-eventfd
   app-socket-api /tmp/nginx/var/run/app_ns_sockets/default