diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7dfe280bcce..bae6b2b7605f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,21 @@
+<a name="21.2.23"></a>
+
+# 21.2.23 (2026-09-02)
+
+### @angular-devkit/build-angular
+
+| Commit                                                                                              | Type | Description          |
+| --------------------------------------------------------------------------------------------------- | ---- | -------------------- |
+| [d3aaa48ef](https://github.com/angular/angular-cli/commit/d3aaa48ef35b80c3297ee3050cd239f84d051899) | fix  | update less to 4.9.0 |
+
+### @angular/ssr
+
+| Commit                                                                                              | Type | Description                                         |
+| --------------------------------------------------------------------------------------------------- | ---- | --------------------------------------------------- |
+| [645e41a47](https://github.com/angular/angular-cli/commit/645e41a47d21b7651837a4250de99af0509626e2) | fix  | ensure public directory containment in CommonEngine |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="21.2.22"></a>
 
 # 21.2.22 (2026-08-26)
diff --git a/package.json b/package.json
index ab58f27b555f..ff95d58cc69e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular/devkit-repo",
-  "version": "21.2.22",
+  "version": "21.2.23",
   "private": true,
   "description": "Software Development Kit for Angular",
   "keywords": [