diff --git a/Dockerfile b/Dockerfile
index 0381cde87897b39a200b96c6a7d4a980edf7bb85..5649bb35e4c4425bb79b3dea1e2978f9abafd551 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,8 +26,8 @@ WORKDIR /home/${user}
 
 ENTRYPOINT ["entrypoint", "jenkins-agent"]
 
-ARG TARBALL=files.tar
-ADD ${TARBALL} /
+COPY files.tar /tmp
+RUN cd / && tar xvf /tmp/files.tar && rm /tmp/files.tar
 COPY scripts/ /
 RUN rpm -i /rpms/*.rpm && \
     rm -rf /rpms && \
diff --git a/README.md b/README.md
index 2d5baa8f3766439f2229b68752065e8573860b41..40f1a8205ffc04074d67b337ccb9ab15e71687a2 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ CloudBees CI (formerly known as _CloudBees Core_) consists of three Docker image
 For each image, all files other than UBI and native packages
 are included in a `files.tar` marked with a SHA-256 checksum.
 
-A version of CloudBees CI is given in the format `2.263.1.2`
+A version of CloudBees CI is given in the format `2.263.2.3-ra`
 where the first three components are aligned with a Jenkins LTS.
 The Helm chart is coversioned with `core-oc`.
 The `core-mm` image typically shares the same version,
@@ -22,13 +22,13 @@ plus whatever other customizations are desired:
 ```yaml
 OperationsCenter:
   Image:
-    dockerImage: your-registry/core-oc:2.263.1.2
+    dockerImage: your-registry/core-oc:2.263.2.3-ra
 Master:
   Image:
-    dockerImage: your-registry/core-mm:2.263.1.2
+    dockerImage: your-registry/core-mm:2.263.2.3-ra
 Agents:
   Image:
-    dockerImage: your-registry/agent:2.263.1.2
+    dockerImage: your-registry/agent:2.263.2.3-ra
 ```
 
 and [install via Helm 3](https://docs.cloudbees.com/docs/cloudbees-core/latest/kubernetes-install-guide/installing-kubernetes-using-helm) using the local copy of the chart:
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 93da2da6b3608054925b6818f011ba3396268e4e..feb4db8ea28c48b6ccad2a5d3bc289a1237675dc 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: cloudbees/core/agent
 tags:
-- "2.263.1.2"
+- "2.263.2.3-ra"
 - latest
 labels:
   org.opencontainers.image.title: agent
@@ -9,15 +9,15 @@ labels:
   org.opencontainers.image.licenses: proprietary
   org.opencontainers.image.url: https://docs.cloudbees.com/docs/cloudbees-ci/
   org.opencontainers.image.vendor: CloudBees
-  org.opencontainers.image.version: "2.263.1.2"
+  org.opencontainers.image.version: "2.263.2.3-ra"
   mil.dso.ironbank.image.keywords: cicd
   mil.dso.ironbank.image.type: commercial
   mil.dso.ironbank.product.name: CloudBees CI
 resources:
 - filename: files.tar
-  url: https://downloads.cloudbees.com/dsop-files/agent-files-0f282fe59508b7acdcafd1b49ec9a768fb2428c88f7824096965eb748ce3642b.tar
+  url: https://downloads.cloudbees.com/dsop-files/agent-files-961de3387e092664dcfa81fccf2968d067793abb12323530ae3cbd6783997e5a.tar
   validation:
     type: sha256
-    value: 0f282fe59508b7acdcafd1b49ec9a768fb2428c88f7824096965eb748ce3642b
+    value: 961de3387e092664dcfa81fccf2968d067793abb12323530ae3cbd6783997e5a
 maintainers:
 - email: productivity-team@cloudbees.com