diff --git a/Dockerfile b/Dockerfile
index 727594b62a349af5657d4d6e786776db147ebefc..920fc72abdabbf302e727b1eada3a391c5153caa 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:1.6.3 AS base
+FROM istio/istioctl:1.6.4 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="1.6.3" \
+      org.opencontainers.image.version="1.6.4" \
       maintainer="cht@dsop.io"
 
 COPY --from=base /usr/local/bin/istioctl /usr/local/bin/istioctl
diff --git a/Jenkinsfile b/Jenkinsfile
index 3a790e45fdafb921820b4715926bbb2f05f65adf..06b5300e7b929251602238985ecb4095dfc230c0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,2 +1,2 @@
 @Library('DCCSCR@master') _
-dccscrPipeline(version: "1.6.3")
+dccscrPipeline(version: "1.6.4")
diff --git a/download.yaml b/download.yaml
index fd2190b9fb7b37fbeff57d485b4ad180df061742..70e6a23063e2581f0e64e66244af2826e2a69f58 100644
--- a/download.yaml
+++ b/download.yaml
@@ -1,4 +1,4 @@
 ---
 resources:
-  - url: "docker://docker.io/istio/istioctl@sha256:ea0633841ef66e85c5a91ffc9e470e2f04c3dba0423b1a681f8f1befe460bc56"
-    tag: "istio/istioctl:1.6.3"
+  - url: "docker://docker.io/istio/istioctl@sha256:6ff9e65f1d9d3ccf1923dba82e50dad9f46654303c52b33e5c08770232379f37"
+    tag: "istio/istioctl:1.6.4"