diff --git a/charts/incubator/mimir/Chart.yaml b/charts/incubator/mimir/Chart.yaml
index 929c35830df..b13f8116135 100644
--- a/charts/incubator/mimir/Chart.yaml
+++ b/charts/incubator/mimir/Chart.yaml
@@ -39,4 +39,4 @@ name: mimir
 sources:
   - https://grafana.com
 type: application
-version: 0.1.2
+version: 0.1.3
diff --git a/charts/incubator/mimir/values.yaml b/charts/incubator/mimir/values.yaml
index 18e899094d5..1368546394c 100644
--- a/charts/incubator/mimir/values.yaml
+++ b/charts/incubator/mimir/values.yaml
@@ -32,7 +32,7 @@ configmap:
         apiVersion: 1
         datasources:
         - name: Mimir
-          type: Prometheus
+          type: prometheus
           uid: {{ .Values.grafana.datasource.uid | default "prometheus" }}
           url: http://{{ if ne .Release.Name "mimir" }}{{ .Release.Name }}-{{ end }}mimir-nginx.{{ .Release.Namespace }}/prometheus
           access: proxy