diff --git a/charts/README.md b/charts/README.md
index 6a6a7cd..0c82f7b 100644
--- a/charts/README.md
+++ b/charts/README.md
@@ -50,7 +50,8 @@ helm install hyperfleet-sentinel oci://REGISTRY/hyperfleet-sentinel \
 | nodeSelector | object | `{}` | Node selector constraints for pod scheduling |
 | tolerations | list | `[]` | Tolerations for pod scheduling |
 | affinity | object | `{}` | Affinity rules for pod scheduling |
-| podDisruptionBudget | object | `{"enabled":true,"maxUnavailable":1}` | PodDisruptionBudget configuration |
+| extraVolumes | list | `[]` |  |
+| extraVolumeMounts | list | `[]` |  |
 | podDisruptionBudget.enabled | bool | `true` | Enable the PDB |
 | podDisruptionBudget.maxUnavailable | int | `1` | Maximum number of pods that can be unavailable during disruption |
 | config | object | `{"clients":{"hyperfleetApi":{"baseUrl":"http://hyperfleet-api:8000","timeout":"10s","version":"v1"}},"debugConfig":false,"log":{"format":"json","level":"info","output":"stdout"},"messageData":{"generation":"resource.generation","href":"resource.href","id":"resource.id","kind":"resource.kind"},"messageDecision":{"params":[{"expr":"condition(\"Reconciled\").last_updated_time","name":"ref_time"},{"expr":"condition(\"Reconciled\").status == \"True\"","name":"is_reconciled"},{"expr":"ref_time != \"\"","name":"has_ref_time"},{"expr":"!is_reconciled && resource.generation == 1","name":"is_new_resource"},{"expr":"resource.generation > condition(\"Reconciled\").observed_generation","name":"generation_mismatch"},{"expr":"is_reconciled && has_ref_time && now - timestamp(ref_time) > duration(\"30m\")","name":"reconciled_and_stale"},{"expr":"!is_reconciled && has_ref_time && now - timestamp(ref_time) > duration(\"10s\")","name":"not_reconciled_and_debounced"}],"result":"is_new_resource || generation_mismatch || reconciled_and_stale || not_reconciled_and_debounced"},"pollInterval":"5s","resourceSelector":[{"label":"shard","value":"1"}],"resourceType":"clusters","sentinel":{"name":"hyperfleet-sentinel-{{ .Values.config.resourceType }}"}}` | Sentinel application configuration. All settings in this section generate the ConfigMap consumed by the sentinel. |
diff --git a/charts/templates/deployment.yaml b/charts/templates/deployment.yaml
index 133b185..f36f6e7 100644
--- a/charts/templates/deployment.yaml
+++ b/charts/templates/deployment.yaml
@@ -108,6 +108,9 @@ spec:
             mountPath: /etc/hyperfleet/broker.yaml
             subPath: broker.yaml
             readOnly: true
+          {{- with .Values.extraVolumeMounts }}
+          {{- toYaml . | nindent 10 }}
+          {{- end }}
         resources:
           {{- toYaml .Values.resources | nindent 12 }}
       volumes:
@@ -117,6 +120,9 @@ spec:
         - name: broker-config
           configMap:
             name: {{ include "sentinel.fullname" . }}-broker-config
+        {{- with .Values.extraVolumes }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
diff --git a/charts/values.yaml b/charts/values.yaml
index 476548d..40f1328 100644
--- a/charts/values.yaml
+++ b/charts/values.yaml
@@ -76,7 +76,18 @@ tolerations: []
 # -- Affinity rules for pod scheduling
 affinity: {}
 
-# -- PodDisruptionBudget configuration
+# Extra volumes to add to the pod
+extraVolumes: []
+# - name: example-volume
+#   emptyDir: {}
+
+# Extra volume mounts to add to the container
+extraVolumeMounts: []
+# - name: example-volume
+#   mountPath: /example
+
+# PodDisruptionBudget configuration
+# See: https://kubernetes.io/docs/tasks/run-application/configure-pdb/#specifying-a-poddisruptionbudget
 podDisruptionBudget:
   # -- Enable the PDB
   enabled: true