diff --git a/charts/mapserver/Chart.yaml b/charts/mapserver/Chart.yaml
index 503b0b5..5fb9bdd 100644
--- a/charts/mapserver/Chart.yaml
+++ b/charts/mapserver/Chart.yaml
@@ -2,4 +2,4 @@ apiVersion: v2
 name: mapserver
 description: A chart that deploys Mapserver
 type: application
-version: 4.0.0
+version: 4.1.0
diff --git a/charts/mapserver/templates/deployment.yaml b/charts/mapserver/templates/deployment.yaml
index c160aaf..b156429 100644
--- a/charts/mapserver/templates/deployment.yaml
+++ b/charts/mapserver/templates/deployment.yaml
@@ -36,6 +36,8 @@ spec:
           env:
             - name: MS_MAPFILE
               value: {{ .Values.settings.mapFile }}
+            - name: SERVICE_TYPE
+              value: {{ .Values.settings.serviceType }}
           ports:
             - name: http
               containerPort: 80
diff --git a/charts/mapserver/values.yaml b/charts/mapserver/values.yaml
index 0a3bdc3..74da500 100644
--- a/charts/mapserver/values.yaml
+++ b/charts/mapserver/values.yaml
@@ -7,6 +7,7 @@ image:
 
 settings:
   mapFile: /storage/main.map
+  serviceType: WMS
 
 imagePullSecrets: []
 nameOverride: ""