diff --git a/charts/core/traefik/Chart.yaml b/charts/core/traefik/Chart.yaml
index b0e8819128b..078261eded3 100644
--- a/charts/core/traefik/Chart.yaml
+++ b/charts/core/traefik/Chart.yaml
@@ -22,7 +22,7 @@ sources:
 - https://github.com/traefik/traefik-helm-chart
 - https://traefik.io/
 type: application
-version: 10.0.46
+version: 10.0.47
 annotations:
   truecharts.org/catagories: |
     - network
diff --git a/charts/core/traefik/templates/middlewares/tc-synapse.yaml b/charts/core/traefik/templates/middlewares/tc-synapse.yaml
index 300f9df6c19..1cbcf00d7b2 100644
--- a/charts/core/traefik/templates/middlewares/tc-synapse.yaml
+++ b/charts/core/traefik/templates/middlewares/tc-synapse.yaml
@@ -11,7 +11,8 @@ metadata:
   namespace: {{ $namespace }}
 spec:
   headers:
-    accessControlAllowOrigin: "*"
+    accessControlAllowOriginList:
+      - "*"
 
 ---
 apiVersion: traefik.containo.us/v1alpha1