diff --git a/Dockerfile b/Dockerfile
index 3d30b7c4ee9eb3ed69f20ba3ffaa8778e5764427..bda5a42998d63d331459a1fe4e223aec2e51fa9f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ######################## Base Args ########################
 ARG BASE_REGISTRY=registry1.dso.mil
 ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
-ARG BASE_TAG=8.3
+ARG BASE_TAG=8.4
 
 ARG UBI_BASE_IMAGE=${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index a1ae1e1a0a0d63102bdf37745da6b3d5cd217a98..bb09f6ca004e00306f7f5d391367d56cba557705 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: