diff --git a/Dockerfile b/Dockerfile
index e019f0bbb600e32c058cb5db9d4ec7bc5656815f..28b5eea21d311b36c8822ab6052f1bf85c55611c 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-worker:2.0.2-debian-10-r17 as base
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 8596ad9f804f791c2c455e834f8a5bb8379c82fa..439a81230276da2a0bbc12dc6b63129e91f45398 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: