diff --git a/Dockerfile b/Dockerfile
index 6fe87f7d0cc37b47abef8b6ee21b9e31cf671e33..b043f25a0dc30026cbb358abd8c1f227e3ac71cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Build the intermediate container
 ARG BASE_REGISTRY=registry1.dsop.io/ironbank/redhat/ubi
 ARG BASE_IMAGE=ubi8
-ARG BASE_TAG=8.3
+ARG BASE_TAG=8.4
 FROM kfserving/kfserving-controller:0.2.2 AS base
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 ENV LANG C.UTF-8
@@ -16,4 +16,4 @@ RUN find / -path /proc -prune -o -perm /2000 -exec chmod g-s {} \;
 RUN chown -R kf /manager
 WORKDIR /manager
 USER kf
-ENTRYPOINT [ "./manager" ]
\ No newline at end of file
+ENTRYPOINT [ "./manager" ]
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 4679e97b39ee0f232af83d989d2ee041c21634fc..45b3bb2bcd977e9fa3fdd7ca869f445454f9dd2e 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: