diff --git a/proxy_server_config.yaml b/proxy_server_config.yaml
index dd624b8aa..fe58d64c6 100644
--- a/proxy_server_config.yaml
+++ b/proxy_server_config.yaml
@@ -107,6 +107,7 @@ general_settings:
   proxy_budget_rescheduler_min_time: 60
   proxy_budget_rescheduler_max_time: 64
   proxy_batch_write_at: 1
+  database_connection_pool_limit: 10
   # database_url: "postgresql://<user>:<password>@<host>:<port>/<dbname>" # [OPTIONAL] use for token-based auth to proxy
 
 # environment_variables: