diff --git a/Dockerfile b/Dockerfile
index a02bfcdb3c79a3ae5eeae9bf89cc3974506ba7c2..60cb1fb7aaf82d54878f31ae06287f338eb5b680 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 f254815b4178925579c6a143d7e445943b2dce9c..c34f5f05ce4567d515894c50d01f238f95eef105 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: