diff --git a/rabbitmq/templates/monitoring/prometheus/exporter-deployment.yaml b/rabbitmq/templates/monitoring/prometheus/exporter-deployment.yaml
index 363b73bdd1..bf471e5d01 100644
--- a/rabbitmq/templates/monitoring/prometheus/exporter-deployment.yaml
+++ b/rabbitmq/templates/monitoring/prometheus/exporter-deployment.yaml
@@ -59,7 +59,7 @@ spec:
           - name: RABBIT_PASSWORD
             value: {{ $envAll.Values.endpoints.oslo_messaging.auth.user.password | quote }}
           - name: RABBIT_CAPABILITIES
-            value: {{ tuple $envAll.Values.conf.prometheus_exporter.capabilities $envAll | include "helm-toolkit.utils.joinListWithComma" | quote }}
+            value: {{ include "helm-toolkit.utils.joinListWithComma" $envAll.Values.conf.prometheus_exporter.capabilities | quote }}
           - name: PUBLISH_PORT
             value: {{ $envAll.Values.network.prometheus_rabbitmq_exporter.port | quote }}
           - name: LOG_LEVEL
diff --git a/rabbitmq/values.yaml b/rabbitmq/values.yaml
index a8b03ecc81..15a42d4936 100644
--- a/rabbitmq/values.yaml
+++ b/rabbitmq/values.yaml
@@ -30,7 +30,7 @@ labels:
 
 images:
   tags:
-    prometheus_rabbitmq_exporter: docker.io/kbudde/rabbitmq-exporter:v0.21.0
+    prometheus_rabbitmq_exporter: docker.io/kbudde/rabbitmq-exporter:v0.28.0
     prometheus_rabbitmq_exporter_helm_tests: docker.io/openstackhelm/heat:newton
     rabbitmq: docker.io/rabbitmq:3.7.4
     dep_check: quay.io/stackanetes/kubernetes-entrypoint:v0.3.1
@@ -106,6 +106,7 @@ conf:
   prometheus_exporter:
     capabilities:
       - no_sort
+      - bert
     log_level: info
     skipverify: 1
   rabbitmq: