diff --git a/docs/subquery_network/node_operators/setup/becoming-a-node-operator.md b/docs/subquery_network/node_operators/setup/becoming-a-node-operator.md
index ce00a8741f4..daabe230104 100644
--- a/docs/subquery_network/node_operators/setup/becoming-a-node-operator.md
+++ b/docs/subquery_network/node_operators/setup/becoming-a-node-operator.md
@@ -81,6 +81,8 @@ Please go through the docker-compose file carefully, and change the following pa
 - Your `--secret-key` under both coordinator and proxy containers.
 - Your `--jwt-secret` and `--metrics-token` under proxy container.
 
+Pay attention to the versions of `indexer-coordinator` and `indexer-proxy`, you should use the latest version. Older versions may experience errors or not generate rewards!
+
 :::
 
 ## 2. Setup SSL on your New Server and Consult Security Guide
diff --git a/docs/subquery_network/node_operators/setup/install-linux.md b/docs/subquery_network/node_operators/setup/install-linux.md
index 7c3c4ddf28f..02357f05cfd 100644
--- a/docs/subquery_network/node_operators/setup/install-linux.md
+++ b/docs/subquery_network/node_operators/setup/install-linux.md
@@ -26,6 +26,8 @@ There are plenty of online guides on how to launch a compute engine on various c
 
 Please change the default PostgreSQL password in the `POSTGRES_PASSWORD` field and in the coordinator-service's `postgres-password` field. Replace it with your own one.
 
+Pay attention to the postgres version. The latest version is `postgres:17-alpine`. You should not change the postgres version when it is running stable, changing will cause errors. Upgrading the version requires some advanced techniques such as postgres upgrade or backup, restore.
+
 :::
 
 - Then, install Docker and set auto start: