diff --git a/stable/graylog/Chart.yaml b/stable/graylog/Chart.yaml
index d569c0161f..cab4754b37 100755
--- a/stable/graylog/Chart.yaml
+++ b/stable/graylog/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: graylog
 home: https://www.graylog.org
-version: 1.5.8
+version: 1.5.9
 appVersion: 3.1
 description: Graylog is the centralized log management solution built to open standards for capturing, storing, and enabling real-time analysis of terabytes of machine data.
 keywords:
diff --git a/stable/graylog/README.md b/stable/graylog/README.md
index 64f9f7fc55..cffef5d813 100644
--- a/stable/graylog/README.md
+++ b/stable/graylog/README.md
@@ -148,6 +148,15 @@ The following table lists the configurable parameters of the Graylog chart and t
 | `graylog.mongodb.uriSecretName`         | K8s secret name where MongoDB URI will be set from.                                                                                                   | `{{ graylog.fullname }}`              |
 | `graylog.mongodb.uriSecretKey`          | K8s secret key name where MongoDB URI will be set from.                                                                                               | ``                                    |
 | `graylog.transportEmail.enabled`        | If true, enable transport email settings on Graylog                                                                                                   | `false`                               |
+| `graylog.transportEmail.hostname`       | The hostname of the server used to send the email                                                                                                     | ``                                    |
+| `graylog.transportEmail.port`           | The port of the server used to send the email                                                                                                         | ``                                    |
+| `graylog.transportEmail.useTls`         | If true, use TLS to connect to the mailserver                                                                                                         | ``                                    |
+| `graylog.transportEmail.useSsl`         | If true, use SSL to connect to the mailserver                                                                                                         | ``                                    |
+| `graylog.transportEmail.useAuth`        | If true, authenticate to the email server                                                                                                             | ``                                    |
+| `graylog.transportEmail.authUsername`   | The username for server authentication                                                                                                                | ``                                    |
+| `graylog.transportEmail.authPassword`   | The password for server authentication                                                                                                                | ``                                    |
+| `graylog.transportEmail.subjectPrefix`  | Prepend this string to every mail subjects                                                                                                            | ``                                    |
+| `graylog.transportEmail.fromEmail`      | Use this as a FROM address                                                                                                                            | ``                                    |
 | `graylog.config`                        | Add additional server configuration to `graylog.conf` file.                                                                                           | ``                                    |
 | `graylog.serverFiles`                   | Add additional server files on /etc/graylog/server. This is useful for enable TLS on input                                                            | `{}`                                  |
 | `graylog.journal.deleteBeforeStart`     | Delete all journal files before start Graylog                                                                                                         | `false`                               |