diff --git a/Dockerfile b/Dockerfile
index e042d7d1ad0b35778583778bf0bf9a34957b8f59..409a31c422e6ff40db50cbb6397bb61226c6a829 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG BASE_REGISTRY=registry1.dsop.io
 ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
-ARG BASE_TAG=8.3
+ARG BASE_TAG=8.4
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG} AS builder
 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 939ca13fdf136d1d559fedac1a682438f5338c43..b6e6cd9d9a1c8d35df475e8d0091fe0eddf6cc94 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: