diff --git a/stable/sentry/Chart.yaml b/stable/sentry/Chart.yaml
index 40e1946190..c9a3943fa4 100644
--- a/stable/sentry/Chart.yaml
+++ b/stable/sentry/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Sentry is a cross-platform crash reporting and aggregation platform.
 name: sentry
-version: 3.1.2
+version: 3.1.3
 appVersion: 9.1.2
 keywords:
   - debugging
diff --git a/stable/sentry/README.md b/stable/sentry/README.md
index 3fefc93d9d..ef56ffb199 100644
--- a/stable/sentry/README.md
+++ b/stable/sentry/README.md
@@ -109,6 +109,7 @@ Parameter                                            | Description
 `email.password`                                     | SMTP password                                                                                              | `nil`
 `email.use_tls`                                      | SMTP TLS for security                                                                                      | `false`
 `email.enable_replies`                               | Allow email replies                                                                                        | `false`
+`email.existingSecret`                               | SMTP password from an existing secret (key must be `smtp-password`)                                        | `nil`
 `service.type`                                       | Kubernetes service type                                                                                    | `LoadBalancer`
 `service.name`                                       | Kubernetes service name                                                                                    | `sentry`
 `service.externalPort`                               | Kubernetes external service port                                                                           | `9000`