diff --git a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
index c2c8e71f6..d298af122 100644
--- a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
@@ -145,6 +145,11 @@ redis-replication:
     enabled: false
   redisReplication:
     clusterSize: 3
+    volumeClaimTemplate:
+      spec:
+        resources:
+          requests:
+            storage: 5Gi
   redisSentinel:
     enabled: true
     clusterSize: 3