diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbbc05c04779..565ca709f9b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+<a name="21.0.0-rc.4"></a>
+
+# 21.0.0-rc.4 (2025-11-14)
+
+### @angular/build
+
+| Commit                                                                                              | Type | Description                                           |
+| --------------------------------------------------------------------------------------------------- | ---- | ----------------------------------------------------- |
+| [f7c4a4c1d](https://github.com/angular/angular-cli/commit/f7c4a4c1dcd575dec82cc06597e3d6620b1be729) | fix  | enhance Vitest resolution for optimal package loading |
+| [0830f4fb5](https://github.com/angular/angular-cli/commit/0830f4fb549e2c45b1ef752dd42f002a1347d7c8) | fix  | ensure TestBed cleanup hooks are always registered    |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="21.0.0-rc.3"></a>
 
 # 21.0.0-rc.3 (2025-11-13)
diff --git a/package.json b/package.json
index 9ff3f23da675..11e85bbba27c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular/devkit-repo",
-  "version": "21.0.0-rc.3",
+  "version": "21.0.0-rc.4",
   "private": true,
   "description": "Software Development Kit for Angular",
   "keywords": [