diff --git a/README.md b/README.md
index cc4dd791c2b5a84bef82846906138ed0809ff5b0..150b5605efd9144310a8cc3be18af784e5646c1a 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ 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 `2.277.2.1-ra`
+A version of CloudBees CI is given in the format `2.277.2.4-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,
@@ -25,13 +25,13 @@ plus whatever other customizations are desired:
 ```yaml
 OperationsCenter:
   Image:
-    dockerImage: your-registry/core-oc:2.277.2.1-ra
+    dockerImage: your-registry/core-oc:2.277.2.4-ra
 Master:
   Image:
-    dockerImage: your-registry/core-mm:2.277.2.1-ra
+    dockerImage: your-registry/core-mm:2.277.2.4-ra
 Agents:
   Image:
-    dockerImage: your-registry/agent:2.277.2.1-ra
+    dockerImage: your-registry/agent:2.277.2.4-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 732d5e01c5c45f3ae44934765b32a0ea5d0d36e9..2e5f23a32b8e00ba541cad0c49382261ff83533d 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: "cloudbees/core/agent"
 tags:
-- "2.277.2.1-ra"
+- "2.277.2.4-ra"
 - latest
 labels:
   org.opencontainers.image.title: "agent"
@@ -9,7 +9,7 @@ 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: "2.277.2.1-ra"
+  org.opencontainers.image.version: "2.277.2.4-ra"
   mil.dso.ironbank.image.keywords: cicd
   mil.dso.ironbank.image.type: commercial
   mil.dso.ironbank.product.name: CloudBees CI
@@ -18,10 +18,10 @@ args:
   BASE_TAG: "1.8.0"
 resources:
 - filename: files.tar
-  url: https://downloads.cloudbees.com/dsop-files/agent-files-b849ce8fca2f929959af915882eec32b0c463dbe5c8b599147d7bd0d029faaea.tar
+  url: https://downloads.cloudbees.com/dsop-files/agent-files-90ae26796a628df8f4dbd365932b5ce78d89aebba6ed44a811289ec8b20d013b.tar
   validation:
     type: sha256
-    value: "b849ce8fca2f929959af915882eec32b0c463dbe5c8b599147d7bd0d029faaea"
+    value: "90ae26796a628df8f4dbd365932b5ce78d89aebba6ed44a811289ec8b20d013b"
 maintainers:
 - email: productivity-team@cloudbees.com
   name: CloudBees