diff --git a/README.md b/README.md
index 92a706a..9f07400 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,9 @@ You can then run `helm search repo zipkin` to see the charts.
 | zipkin.selfTracing.enabled                 | bool   | `false`                            |                                                                                                                                                                                                                                                                                                                                              |
 | zipkin.storage.elasticsearch.hosts         | string | no default                         |                                                                                                                                                                                                                                                                                                                                              |
 | zipkin.storage.elasticsearch.index         | string | `"zipkin"`                         |                                                                                                                                                                                                                                                                                                                                              |
+| zipkin.storage.elasticsearch.sslNoVerify   | bool   | `false`                            | Disables server key certificate chain verification. Not appropriate for production.                                                                                                                                                                                                                                                          |
+| zipkin.storage.elasticsearch.username      | string | no default                         | Basic authentication of X-Pack security                                                                                                                                                                                                                                                                                                      |
+| zipkin.storage.elasticsearch.password      | string | no default                         | Basic authentication of X-Pack security                                                                                                                                                                                                                                                                                                      |
 | zipkin.storage.type                        | string | `"mem"`                            |                                                                                                                                                                                                                                                                                                                                              |
 
 The values are validated using a JSON schema, which contains logic to enforce either: