diff --git a/charts/mediawiki/Chart.yaml b/charts/mediawiki/Chart.yaml
index 4fa7c66..5418d79 100644
--- a/charts/mediawiki/Chart.yaml
+++ b/charts/mediawiki/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "1.37"
 description: A Helm wbstack flavoured MediaWiki
 name: mediawiki
-version: 0.13.1
+version: 0.14.0
 home: https://github.com/wbstack
 maintainers:
   - name: WBstack
diff --git a/charts/mediawiki/templates/_helpers.tpl b/charts/mediawiki/templates/_helpers.tpl
index 147af02..0acbc3b 100644
--- a/charts/mediawiki/templates/_helpers.tpl
+++ b/charts/mediawiki/templates/_helpers.tpl
@@ -48,6 +48,8 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 Common deployment environment variables
 */}}
 {{- define "mediawiki.env" -}}
+- name: MW_ENVIRONMENT
+  value: {{ .Values.mw.environment }}
 - name: MW_DB_SERVER_MASTER
   value: {{ .Values.mw.db.master }}
 - name: MW_DB_SERVER_REPLICA
diff --git a/charts/mediawiki/values.yaml b/charts/mediawiki/values.yaml
index 0fd957b..f275831 100644
--- a/charts/mediawiki/values.yaml
+++ b/charts/mediawiki/values.yaml
@@ -16,6 +16,7 @@ image:
   pullPolicy: IfNotPresent
 
 mw:
+  environment: somewhere
   settings:
     logToStdErr: false
     allowedProxyCidr: ""