diff --git a/charts/honeycomb/Chart.yaml b/charts/honeycomb/Chart.yaml
index efc7a50f..0c921e9b 100644
--- a/charts/honeycomb/Chart.yaml
+++ b/charts/honeycomb/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: honeycomb
 description: Honeycomb Kubernetes Agent
-version: 1.8.3
+version: 1.9.0
 appVersion: 2.7.2
 keywords:
   - observability
diff --git a/charts/honeycomb/README.md b/charts/honeycomb/README.md
index 5aa4d231..55320529 100644
--- a/charts/honeycomb/README.md
+++ b/charts/honeycomb/README.md
@@ -68,7 +68,7 @@ See [docs](https://github.com/honeycombio/honeycomb-kubernetes-agent/blob/master
 The [values.yaml](./values.yaml) file contains information about all configuration
 options for this chart.
 
-The only requirement is a Honeycomb API Key. This can be provided either by setting `honeycomb.apiKey` or by setting `honeycomb.existingSecret` to the name of an existing opaque secret resource with your API Key specified in the `api-key` field. 
+The only requirement is a Honeycomb API Key. This can be provided either by setting `honeycomb.apiKey` or by setting `honeycomb.existingSecret` to the name of an existing opaque secret resource with your API Key specified in the `honeycomb.existingSecretKey` value.
 
 You can obtain your API Key by going to your Account profile page inside of your Honeycomb instance.
 
@@ -80,7 +80,8 @@ The following table lists the configurable parameters of the Honeycomb chart, an
 |---------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------|
 | `honeycomb.apiKey`              | Honeycomb API Key                                                                                                                                                                                                                           | `YOUR_API_KEY`                                    |
 | `honeycomb.apiHost`             | API URL to sent events to                                                                                                                                                                                                                   | `https://api.honeycomb.io`                        |
-| `honeycomb.existingSecret`      | Name of an existing secret resource to use containing your API Key in the `api-key` field                                                                                                                                                   | `nil`                                             |
+| `honeycomb.existingSecret`      | Name of an existing secret resource to use containing your Honeycomb API Key                                                                                                                                                                | `nil`                                             |
+| `honeycomb.existingSecretKey`   | Name of the key in your existing secret above that contains the Honeycomb API Key                                                                                                                                                           | `api-key`                                         |
 | `watchers`                      | An array of `watchers` configuration snippets for the log agent ([docs](https://github.com/honeycombio/honeycomb-kubernetes-agent/blob/master/docs/configuration-reference.md)). Set this to an empty array `[]` to disable log collection. | kube-controller-manager, kube-scheduler           |
 | `verbosity`                     | Agent log level                                                                                                                                                                                                                             | `info`                                            |
 | `splitLogging`                  | Send all log levels to stdout instead of stderr                                                                                                                                                                                             | `false`                                           |
diff --git a/charts/honeycomb/templates/daemonset.yaml b/charts/honeycomb/templates/daemonset.yaml
index 0f4a2123..d6b03ed3 100644
--- a/charts/honeycomb/templates/daemonset.yaml
+++ b/charts/honeycomb/templates/daemonset.yaml
@@ -54,7 +54,7 @@ spec:
                   {{- else }}
                   name: {{ include "honeycomb.fullname" . }}
                   {{- end }}
-                  key: api-key
+                  key: {{ .Values.honeycomb.existingSecretKey | default "api-key" }}
             - name: NODE_NAME
               valueFrom:
                 fieldRef:
@@ -78,6 +78,9 @@ spec:
             - name: varlibdockercontainers
               mountPath: "/var/lib/docker/containers"
               readOnly: true
+            {{- if .Values.extraVolumeMounts }}
+            {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
+            {{- end }}
       terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
       volumes:
         - name: config
@@ -92,6 +95,9 @@ spec:
         - name: varlibdockercontainers
           hostPath:
             path: "/var/lib/docker/containers"
+        {{- if .Values.extraVolumes }}
+        {{- toYaml .Values.extraVolumes | nindent 8 }}
+        {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
diff --git a/charts/honeycomb/values.yaml b/charts/honeycomb/values.yaml
index 97f8adee..d8dbb05a 100644
--- a/charts/honeycomb/values.yaml
+++ b/charts/honeycomb/values.yaml
@@ -5,6 +5,8 @@ honeycomb:
   apiHost: https://api.honeycomb.io/
   # Specify the name of an existing secret resource containing your Honeycomb API KEY instead of having a secret resource created
   existingSecret: ""
+  # The key in the existing secret containing the Honeycomb API key (defaults to 'api-key').
+  existingSecretKey: ""
 
 watchers:
   - dataset: kubernetes-logs
@@ -130,3 +132,7 @@ serviceAccount:
   name: ""
   # Annotations to add to the service account
   annotations: {}
+
+extraVolumes: []
+
+extraVolumeMounts: []