diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3145bf7c4a..b0a3b6e3cb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+<a name="20.3.15"></a>
+
+# 20.3.15 (2025-12-01)
+
+### compiler
+
+| Commit                                                                                           | Type | Description                                                       |
+| ------------------------------------------------------------------------------------------------ | ---- | ----------------------------------------------------------------- |
+| [d1ca8ae043](https://github.com/angular/angular/commit/d1ca8ae04390f050039fdb653a6147d75d48f81e) | fix  | prevent XSS via SVG animation `attributeName` and MathML/SVG URLs |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="20.3.14"></a>
 
 # 20.3.14 (2025-11-25)
diff --git a/package.json b/package.json
index f9e0f10ccdb..7e930b40a33 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-srcs",
-  "version": "20.3.14",
+  "version": "20.3.15",
   "private": true,
   "description": "Angular - a web framework for modern web apps",
   "homepage": "https://github.com/angular/angular",