diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0035de93f1..811d9f4274 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Svelte changelog
 
+## 2.15.3
+
+* Don't mutate AST
+
 ## 2.15.2
 
 * Expose `stats.props` ([#1837](https://github.com/sveltejs/svelte/issues/1837))
diff --git a/package.json b/package.json
index 8c26577abf..5b19a055ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte",
-  "version": "2.15.2",
+  "version": "2.15.3",
   "description": "The magical disappearing UI framework",
   "main": "compiler/svelte.js",
   "bin": {