diff --git a/Dockerfile b/Dockerfile
index fadc13e5979cc1057c91fa58eba4ce98e721389f..cfaf62f018f6f9929e1c853427635a5ebe097a9b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 ################################################################################
 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 prep_files
 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index e2b140b45301d49ba223c670a8aac1d4e62a8cd9..9d30815064c33fbaef4af8b2dab36b8c0aca1d14 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"
   BASE_REGISTRY: registry1.dsop.io
   ELASTIC_STACK: "7.13.1"
   ELASTIC_PRODUCT: "elastic-agent"