diff --git a/.changeset/big-toes-hurt.md b/.changeset/big-toes-hurt.md
new file mode 100644
index 00000000..d99ce6e7
--- /dev/null
+++ b/.changeset/big-toes-hurt.md
@@ -0,0 +1,5 @@
+---
+'@nordeck/matrix-meetings-widget': minor
+---
+
+Add Helm values for configuration of ipv4only mode
diff --git a/README.md b/README.md
index e3a7b427..0f94352d 100644
--- a/README.md
+++ b/README.md
@@ -103,13 +103,16 @@ You can find them at [`/docs/adrs`](./docs/adrs/).
 
 ## Deployment
 
-Yon can run the widget using Docker:
+You can run the widget using Docker:
 
 ```sh
 docker run --rm -p 8080:8080 ghcr.io/nordeck/matrix-meetings-widget:latest
 ```
 
-Yon can run the bot using Docker:
+Our docker image supports customizing the nginx config by supplying additional config files.
+For example, this allows running the image in an IPv4-only environment, as demonstrated at <https://github.com/nordeck/matrix-widget-toolkit/tree/main/containers/widget-server#custom-listen-directive>
+
+You can run the bot using Docker:
 
 ```sh
 docker run --rm -p 3000:3000 ghcr.io/nordeck/matrix-meetings-bot:latest
diff --git a/charts/matrix-meetings-widget/Chart.yaml b/charts/matrix-meetings-widget/Chart.yaml
index 4d047ace..4bc3818d 100644
--- a/charts/matrix-meetings-widget/Chart.yaml
+++ b/charts/matrix-meetings-widget/Chart.yaml
@@ -2,6 +2,6 @@ apiVersion: v2
 name: matrix-meetings-widget
 description: A meetings widget for the Element messenger
 type: application
-version: 0.1.0
+version: 0.2.0
 appVersion: "0.0.0"
 home: https://github.com/nordeck/matrix-meetings
diff --git a/charts/matrix-meetings-widget/templates/configmap.yaml b/charts/matrix-meetings-widget/templates/configmap.yaml
index ef9fbc86..4cb7fb30 100644
--- a/charts/matrix-meetings-widget/templates/configmap.yaml
+++ b/charts/matrix-meetings-widget/templates/configmap.yaml
@@ -1,3 +1,4 @@
+---
 apiVersion: v1
 kind: ConfigMap
 metadata:
@@ -7,3 +8,15 @@ metadata:
 data:
   REACT_APP_API_BASE_URL: "https://matrix-meetings-bot.{{- .Values.settings.hostname -}}"
   REACT_APP_HOME_SERVER_URL: "https://synapse.{{- .Values.settings.hostname -}}"
+{{- if .Values.nginx.ipv4Only }}
+---
+kind: "ConfigMap"
+apiVersion: "v1"
+metadata:
+  name: "{{ include "app.fullname" . }}-nginx-configs"
+  labels:
+{{ include "app.labels" . | indent 4 }}
+data:
+  listen.conf: |
+    listen 8080;
+{{- end }}
diff --git a/charts/matrix-meetings-widget/templates/deployment.yaml b/charts/matrix-meetings-widget/templates/deployment.yaml
index 303e74f7..ba00d65e 100644
--- a/charts/matrix-meetings-widget/templates/deployment.yaml
+++ b/charts/matrix-meetings-widget/templates/deployment.yaml
@@ -62,11 +62,22 @@ spec:
             mountPath: /var/cache/nginx
           - name: tmp-volume
             mountPath: /tmp
+          {{- if .Values.nginx.ipv4Only }}
+          - name: "nginx-configs"
+            mountPath: "/etc/nginx/conf.d/custom"
+            subpath: "listen.conf"
+            readOnly: true
+          {{- end }}
       volumes:
       - name: cache-volume
         emptyDir: {}
       - name: tmp-volume
         emptyDir: {}
+      {{- if .Values.nginx.ipv4Only }}
+      - name: "nginx-configs"
+        configMap:
+          name: "{{ include "app.fullname" . }}-nginx-configs"
+      {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
diff --git a/charts/matrix-meetings-widget/values.yaml b/charts/matrix-meetings-widget/values.yaml
index d7069da3..c530dcdb 100644
--- a/charts/matrix-meetings-widget/values.yaml
+++ b/charts/matrix-meetings-widget/values.yaml
@@ -60,7 +60,6 @@ resources: {}
   #   cpu: 250m
   #   memory: 250Mi
 
-
 autoscaling:
   enabled: false
   minReplicas: 1
@@ -79,3 +78,8 @@ settings:
 
 # Extra env variables to pass to the container
 env: []
+
+# Configuration related to the nginx within the container which serves the widget.
+nginx:
+  # Only listen on ipv4
+  ipv4Only: false
diff --git a/charts/matrix-meetings/Chart.yaml b/charts/matrix-meetings/Chart.yaml
index 779040d5..f5094dd0 100644
--- a/charts/matrix-meetings/Chart.yaml
+++ b/charts/matrix-meetings/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: matrix-meetings
 description: A helper chart to deploy both the widget and the bot
 type: application
-version: 0.1.0
+version: 0.2.0
 appVersion: "0.0.0"
 home: https://github.com/nordeck/matrix-meetings
 dependencies: