diff --git a/chart/mongodb-query-exporter/templates/deployment.yaml b/chart/mongodb-query-exporter/templates/deployment.yaml
index ff0d3fbb..62d28aaa 100644
--- a/chart/mongodb-query-exporter/templates/deployment.yaml
+++ b/chart/mongodb-query-exporter/templates/deployment.yaml
@@ -98,6 +98,9 @@ spec:
         secret:
           secretName: {{ .secretName }}
       {{- end }}
+      {{- if .Values.extraVolumes }}
+      {{- toYaml .Values.extraVolumes | nindent 6 }}
+      {{- end }}
       {{- with .Values.affinity }}
       affinity:
         {{- toYaml . | nindent 8 }}
diff --git a/chart/mongodb-query-exporter/values.yaml b/chart/mongodb-query-exporter/values.yaml
index 641b4320..1d8457bb 100644
--- a/chart/mongodb-query-exporter/values.yaml
+++ b/chart/mongodb-query-exporter/values.yaml
@@ -88,6 +88,9 @@ secretMounts: []
 # Add additional containers (sidecars)
 extraContainers:
 
+# Add additional volumes
+extraVolumes:
+
 podAnnotations: {}
 #  prometheus.io/scrape: "true"
 #  prometheus.io/port: "metrics"