diff --git a/Dockerfile b/Dockerfile
index 9187f2f2a4edb694d407a791b2bc85db2854e919..9d5222ca341af7a8e44317f21de89ccbbf162377 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG BASE_REGISTRY=nexus-docker-secure.levelup-dev.io
 ARG BASE_IMAGE=redhat/ubi/ubi8
 ARG BASE_TAG=8.2
 
-FROM istio/istioctl:1.6.5 AS base
+FROM istio/istioctl:1.6.6 AS base
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
@@ -10,7 +10,7 @@ LABEL org.opencontainers.image.title="istioctl" \
       org.opencontainers.image.description="Istio configuration command line utility." \
       org.opencontainers.image.licenses="Apache-2.0" \
       org.opencontainers.image.url="https://istio.io" \
-      org.opencontainers.image.version="1.6.5" \
+      org.opencontainers.image.version="1.6.6" \
       maintainer="cht@dsop.io"
 
 COPY --from=base /usr/local/bin/istioctl /usr/local/bin/istioctl
diff --git a/Jenkinsfile b/Jenkinsfile
index fc2ee48135174612f86e412512fe8c554a6ca837..e7b69dcc4ad84131e0bad6254e6ebed0a9ce08c7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,2 +1,2 @@
 @Library('DCCSCR@master') _
-dccscrPipeline(version: "1.6.5")
+dccscrPipeline(version: "1.6.6")
diff --git a/download.yaml b/download.yaml
index 86b538731b072111c3ab57e2dedc5f558c36a02f..8c5ea87ddd4cb07ca757459406dada20e3842e8a 100644
--- a/download.yaml
+++ b/download.yaml
@@ -1,4 +1,4 @@
 ---
 resources:
-  - url: "docker://docker.io/istio/istioctl@sha256:4d72733d4f403644ac6a86a45b9ffcc0af50603c7c01801401d94ad391ab5678"
-    tag: "istio/istioctl:1.6.5"
+  - url: "docker://docker.io/istio/istioctl@sha256:5701db58f1a70802c0c009a8899939f1f9b9ff91e775ef2b1b711b588e2c8478"
+    tag: "istio/istioctl:1.6.6"