diff --git a/Dockerfile b/Dockerfile
index 31495c86695e0eef9c84423de27fa8debb22d910..1496e0360cf84e0fd7124749fd9457127453c3be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 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 builder
 USER 0
 ENV LANG=C.UTF-8 
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index db79dd945240555cd0e824418ce5945354b96d58..522a07f026ad9c136d80ee66455edfcfd75f560d 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -7,7 +7,7 @@ tags:
   
 args:
   BASE_IMAGE: "redhat/ubi/ubi8"
-  BASE_TAG: "8.3"
+  BASE_TAG: "8.4"
 
 labels:
   org.opencontainers.image.title: "suggestion-bayesianoptimization" 
@@ -84,11 +84,11 @@ resources:
     validation:
       type: "sha256"
       value: "fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
-  - url: "https://files.pythonhosted.org/packages/56/aa/4ef5aa67a9a62505db124a5cb5262332d1d4153462eb8fd89c9fa41e5d92/urllib3-1.25.11-py2.py3-none-any.whl#sha256=f5321fbe4bf3fefa0efd0bfe7fb14e90909eb62a48ccda331726b4319897dd5e"
-    filename: "urllib3-1.25.11-py2.py3-none-any.whl"
+  - url: "https://files.pythonhosted.org/packages/5f/64/43575537846896abac0b15c3e5ac678d787a4021e906703f1766bfb8ea11/urllib3-1.26.6-py2.py3-none-any.whl"
+    filename: "urllib3-1.26.6-py2.py3-none-any.whl"
     validation:
       type: "sha256"
-      value: "f5321fbe4bf3fefa0efd0bfe7fb14e90909eb62a48ccda331726b4319897dd5e"
+      value: "39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4"
   - url: "https://files.pythonhosted.org/packages/a2/a2/b202f24040ac601cbdcca10d169558c5339ef0ec3ce95894e6bf1c72caa5/citeproc_py-0.5.1-py2.py3-none-any.whl#sha256=388985d08fc47eadb6406e3e1b53576cb08b52aca86e5b41e3a95f6349d17094"
     filename: "citeproc_py-0.5.1-py2.py3-none-any.whl"
     validation:
@@ -109,6 +109,11 @@ resources:
     validation:
       type: "sha256"
       value: "c8961760f5aad9a711d37b675be103e0cc4e9a39327e0d6d857872f698403e24"
+  - url: https://files.pythonhosted.org/packages/47/ca/f0d790b6e18b3a6f3bd5e80c2ee4edbb5807286c21cdd0862ca933f751dd/pip-21.1.3-py3-none-any.whl
+    filename: "pip-21.1.3-py3-none-any.whl"
+    validation:
+      type: "sha256"
+      value: "78cb760711fedc073246543801c84dc5377affead832e103ad0211f99303a204"
 
 maintainers:
 - email: "cvernooy@oteemo.com"