diff --git a/bitnami/pgbouncer/README.md b/bitnami/pgbouncer/README.md
index c6e7aa4ac7b4..129721ad06f0 100644
--- a/bitnami/pgbouncer/README.md
+++ b/bitnami/pgbouncer/README.md
@@ -85,6 +85,7 @@ docker build -t bitnami/APP:latest .
 | `PGBOUNCER_SERVER_TLS_PROTOCOLS`      | PgBouncer server TLS authentication protocol                                                                                                                                               | `secure`                             |
 | `PGBOUNCER_SERVER_TLS_CIPHERS`        | PgBouncer server TLS authentication ciphers                                                                                                                                                | `fast`                               |
 | `POSTGRESQL_USERNAME`                 | PostgreSQL backend default username                                                                                                                                                        | `postgres`                           |
+| `POSTGRESQL_PASSWORD`                 | Password for the PostgreSQL created user                                                                                                                                                                | `nil`                                |
 | `POSTGRESQL_DATABASE`                 | Default PostgreSQL database                                                                                                                                                                | `${PGBOUNCER_DATABASE}`              |
 | `POSTGRESQL_HOST`                     | PostgreSQL backend hostname                                                                                                                                                                | `postgresql`                         |
 | `POSTGRESQL_PORT`                     | PostgreSQL backend port                                                                                                                                                                    | `5432`                               |