diff --git a/clusters/cl01tl/platform/matrix-synapse/templates/redis-replication.yaml b/clusters/cl01tl/platform/matrix-synapse/templates/redis-replication.yaml
index f294fe248..1f85cd571 100644
--- a/clusters/cl01tl/platform/matrix-synapse/templates/redis-replication.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/templates/redis-replication.yaml
@@ -15,6 +15,9 @@ spec:
   kubernetesConfig:
     image: quay.io/opstree/redis:v8.0.3
     imagePullPolicy: IfNotPresent
+    redisSecret:
+      name: matrix-synapse-redis-secret
+      key: password
     resources:
       requests:
         cpu: 50m