diff --git a/roles/setup_install_polkadot/templates/polkadot_endpoint.service.j2 b/roles/setup_install_polkadot/templates/polkadot_endpoint.service.j2
index 5fdb8f8..e00e9b2 100644
--- a/roles/setup_install_polkadot/templates/polkadot_endpoint.service.j2
+++ b/roles/setup_install_polkadot/templates/polkadot_endpoint.service.j2
@@ -28,7 +28,11 @@ ExecStart={{ default_base_path }}/polkadot \
   --rpc-external \
   --rpc-methods safe \
   --rpc-cors all \
-  --rpc-max-connections 1200 \
+  --max-runtime-instances 32 \
+  --rpc-max-request-size 16 \
+  --rpc-max-response-size 16 \
+  --rpc-max-subscriptions-per-connection 512 \
+  --rpc-max-connections 10000 \
   --allow-private-ipv4
 
 Restart=always