diff --git a/charts/api/Chart.yaml b/charts/api/Chart.yaml
index c6e253f..bcc0ab4 100644
--- a/charts/api/Chart.yaml
+++ b/charts/api/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "1.0"
 description: A Helm chart for the WBStack API
 name: api
-version: 0.33.0
+version: 0.33.1
 home: https://github.com/wbstack
 maintainers:
   - name: WBstack
diff --git a/charts/api/templates/deployment-app-backend.yaml b/charts/api/templates/deployment-app-backend.yaml
index c941291..13265a9 100644
--- a/charts/api/templates/deployment-app-backend.yaml
+++ b/charts/api/templates/deployment-app-backend.yaml
@@ -216,15 +216,24 @@ spec:
                 name: {{ template "api.fullname" . }}-app-passport-keys
                 {{- end }}
                 key: oauth-private.key
-      {{- if .Values.app.gce.serviceAccountSecret }}
           volumeMounts:
+            {{- if .values.app.gce.serviceAccountSecret }}
             - name: "service-account-wbstack-api"
               mountPath: "/var/run/secret/cloud.google.com"
+            {{- end }}
+
+            - name: "mediawiki-configMap"
+              mountPath: "/config"
       volumes:
+        {{- if .values.app.gce.serviceAccountSecret }}
         - name: "service-account-wbstack-api"
           secret:
             secretName: {{ .Values.app.gce.serviceAccountSecret | quote }}
-      {{- end }}
+        {{- end }}
+
+        - name: "mediawiki-configMap"
+          configMap:
+            name: "mediawiki-version-map"
 
       {{- with .Values.nodeSelector }}
       nodeSelector:
diff --git a/charts/api/templates/mediawiki-configmap.yaml b/charts/api/templates/mediawiki-configmap.yaml
new file mode 100644
index 0000000..b09f08a
--- /dev/null
+++ b/charts/api/templates/mediawiki-configmap.yaml
@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mediawiki-version-map
+data:
+    {{- .Values.mediawikiVersionConfigMap | toYaml | nindent 2 }}
\ No newline at end of file
diff --git a/charts/api/values.yaml b/charts/api/values.yaml
index a01312f..9133d96 100644
--- a/charts/api/values.yaml
+++ b/charts/api/values.yaml
@@ -214,6 +214,10 @@ service:
 ingress:
   enabled: false
 
+mediawikiVersionConfigMap: |
+    mw1.39-wbs1: 139-app
+    mw1.43-wbs1: 143-app
+
 resources:
   backend: {}
   web: {}