diff --git a/Dockerfile b/Dockerfile
index 66072bc37b0251fd3ab90decaf31868b2419b9b2..14f0ed2c183de028bfdc451639182e39019bab20 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 bitnami/airflow-scheduler:2.0.2-debian-10-r18 as base
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 26dfbce13c7699df7a5754f3fefe55c3e6e4b21e..a5f03b1ddcd5f341e765d32d47df050f326eac7b 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -13,7 +13,7 @@ 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: