diff --git a/Dockerfile b/Dockerfile
index 3d14228bf85e7a8b6b34596913cceb637d6f4cd3..d159db069f072efe17c5300fc91de83798c0bb7f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-ARG BASE_REGISTRY=registry1.dsop.io
+ARG BASE_REGISTRY=registry1.dso.mil
 ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
-ARG BASE_TAG=8.2
+ARG BASE_TAG=8.4
 
 FROM openpolicyagent/opa:0.28.0 as base
 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 1ae643149e3e821c8958f95b6ce5ec5a3d879669..1c8cfcf4b80d477475f4a6d0c8e093db4cb3ae83 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: