diff --git a/Dockerfile b/Dockerfile
index 954aa5f467f748052c3921a050830cd382ded87b..2a1624b1d54316b9d47edaffccb3f081f9da194a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,11 @@
-ARG BASE_REGISTRY=nexus-docker-secure.levelup-dev.io
-ARG BASE_IMAGE=redhat/ubi/ubi8
-ARG BASE_TAG=8.2
+ARG BASE_REGISTRY=registry1.dso.mil
+ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
+ARG BASE_TAG=latest
 
 FROM istio/istioctl:1.6.14 AS base
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
-
 COPY --from=base /usr/local/bin/istioctl /usr/local/bin/istioctl
 
 USER 1000
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index c10415bdd1bc63357c547b8e868ff047189b8700..6fb1013478ab58b1fb35c99b781c315f8e597079 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -14,7 +14,7 @@ tags:
 # Build args passed to Dockerfile ARGs
 args:
   BASE_IMAGE: "redhat/ubi/ubi8"
-  BASE_TAG: "8.3"
+  BASE_TAG: "8.4"
 
 # Docker image labels
 labels: