diff --git a/CHANGELOG.md b/CHANGELOG.md
index 971aac49..6654e95b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## In Development
 
+## v0.13.0
+* Mongodb authentication is enabled by default (#63)
+
 ## v0.12.0
 * Move `st2web.annotations` to `st2web.service.annotations` to match `values.yaml` (#66)
 
diff --git a/Chart.yaml b/Chart.yaml
index 80efa630..ccfeac0e 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 # Update StackStorm version here to rely on other Docker images tags
 appVersion: 3.0dev
 name: stackstorm-ha
-version: 0.12.0
+version: 0.13.0
 description: StackStorm K8s Helm Chart, optimized for running StackStorm in HA environment.
 home: https://stackstorm.com/#product
 icon: https://avatars1.githubusercontent.com/u/4969009
diff --git a/templates/configmaps_st2-conf.yaml b/templates/configmaps_st2-conf.yaml
index 6a3266f6..a9fd8cf5 100644
--- a/templates/configmaps_st2-conf.yaml
+++ b/templates/configmaps_st2-conf.yaml
@@ -27,7 +27,11 @@ data:
     url = amqp://{{ required "rabbitmq-ha.rabbitmqUsername is required!" (index .Values "rabbitmq-ha" "rabbitmqUsername") }}:{{ required "rabbitmq-ha.rabbitmqPassword is required!" (index .Values "rabbitmq-ha" "rabbitmqPassword") }}@{{ .Release.Name }}-rabbitmq-ha-discovery:5672
     [database]
     # TODO: ReplicaSet connection string needs templating based on number of MongoDB nodes
+    {{- if index .Values "mongodb-ha" "auth" "enabled" }}
+    host = mongodb://{{ required "mongodb-ha.auth.adminUser is required!" (index .Values "mongodb-ha" "auth" "adminUser") }}:{{ required "mongodb-ha.auth.adminPassword is required!" (index .Values "mongodb-ha" "auth" "adminPassword") }}@{{ .Release.Name }}-mongodb-ha/?authSource=admin&replicaSet=rs0
+    {{ else }}
     host = mongodb://{{ .Release.Name }}-mongodb-ha/?replicaSet=rs0
+    {{- end }}
 
   # User-defined st2 config with custom settings applied on top of everything else.
   # The order of merging: st2.conf < st2.docker.conf < st2.user.conf
diff --git a/values.yaml b/values.yaml
index ddd26c4b..0dbf9fcf 100644
--- a/values.yaml
+++ b/values.yaml
@@ -398,6 +398,13 @@ mongodb-ha:
   image:
     # StackStorm currently supports maximum MongoDB v3.4
     tag: 3.4
+  auth:
+    enabled: true
+    # NB! It's highly recommended to change ALL defaults!
+    adminUser: "admin"
+    adminPassword: "XeL5Rxwj7F0Wt43tFZVTN7H8Sg5XDHmK"
+    # Minimal key length is 6 symbols
+    key: "82PItDpqroti5RngOA7UqbHH7c6bFUwy"
 
 ##
 ## RabbitMQ HA configuration (3rd party chart dependency)