diff --git a/Dockerfile b/Dockerfile
index 43cbf137fec129abccdb3b03106f5a25b3371983..953067303d187f15bd9cfc65e9b57ba9e00625e0 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 9fde2850364856e876d18b2493c72292adacc704..5f3281470871065fd9216351203bea6f7bb75aa0 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"