diff --git a/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile b/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
index 58847372c9..bc53ec0226 100644
--- a/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
+++ b/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
@@ -17,7 +17,7 @@ COPY elasticsearch_logging_discovery.go go.mod go.sum /
 RUN CGO_ENABLED=0 GOOS=linux GO111MODULE=on go build -a -ldflags "-w" -o /elasticsearch_logging_discovery /elasticsearch_logging_discovery.go
 
 
-FROM docker.elastic.co/elasticsearch/elasticsearch-oss:6.3.2
+FROM docker.elastic.co/elasticsearch/elasticsearch-oss:6.6.1
 
 VOLUME ["/data"]
 EXPOSE 9200 9300
diff --git a/cluster/addons/fluentd-elasticsearch/es-image/Makefile b/cluster/addons/fluentd-elasticsearch/es-image/Makefile
index e2b8e68757..b3e154b16a 100755
--- a/cluster/addons/fluentd-elasticsearch/es-image/Makefile
+++ b/cluster/addons/fluentd-elasticsearch/es-image/Makefile
@@ -16,7 +16,7 @@
 
 PREFIX = gcr.io/fluentd-elasticsearch
 IMAGE = elasticsearch
-TAG = v6.3.0
+TAG = v6.6.1
 
 build:
-	gcloud builds submit --tag ${PREFIX}/${IMAGE}:${TAG}
\ No newline at end of file
+	gcloud builds submit --tag ${PREFIX}/${IMAGE}:${TAG}
diff --git a/cluster/addons/fluentd-elasticsearch/es-statefulset.yaml b/cluster/addons/fluentd-elasticsearch/es-statefulset.yaml
index b92bb1b2e3..7964aae8db 100644
--- a/cluster/addons/fluentd-elasticsearch/es-statefulset.yaml
+++ b/cluster/addons/fluentd-elasticsearch/es-statefulset.yaml
@@ -54,7 +54,7 @@ metadata:
   namespace: kube-system
   labels:
     k8s-app: elasticsearch-logging
-    version: v6.3.0
+    version: v6.6.1
     kubernetes.io/cluster-service: "true"
     addonmanager.kubernetes.io/mode: Reconcile
 spec:
@@ -63,17 +63,17 @@ spec:
   selector:
     matchLabels:
       k8s-app: elasticsearch-logging
-      version: v6.3.0
+      version: v6.6.1
   template:
     metadata:
       labels:
         k8s-app: elasticsearch-logging
-        version: v6.3.0
+        version: v6.6.1
         kubernetes.io/cluster-service: "true"
     spec:
       serviceAccountName: elasticsearch-logging
       containers:
-      - image: k8s.gcr.io/elasticsearch:v6.3.0
+      - image: gcr.io/fluentd-elasticsearch/elasticsearch:v6.6.1
         name: elasticsearch-logging
         resources:
           # need more cpu upon initialization, therefore burstable class