diff --git a/Dockerfile b/Dockerfile
index b33aff0e65910e02c13a6552cf3f34b77d6d6f53..4ff2e08023e488e200b89185caf8bef0975bd15e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG BASE_REGISTRY=registry1.dso.mil
 ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
-ARG BASE_TAG=8.3
+ARG BASE_TAG=8.4
 ARG BUILD_IMAGE=ubi8/go-toolset
 ARG BUILD_TAG=1.14.12
 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 8a4f29c5f296bff9f1fafd3be2cfb5674d73b3ea..30b4a3dc7eb81604a25b8f5b533c0c09597f8b57 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"
   BUILD_IMAGE: google/golang/golang-1.14
   BUILD_TAG: "1.14.15"