diff --git a/CHANGELOG.md b/CHANGELOG.md
index bae7373742..199cc4af84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Svelte changelog
 
+## 3.9.0
+
+* Support `is` attribute on elements, with a warning ([#3182](https://github.com/sveltejs/svelte/issues/3182))
+* Handle missing slot prop ([#3322](https://github.com/sveltejs/svelte/issues/3322))
+* Don't set undefined/null input values, unless previous value exists ([#1233](https://github.com/sveltejs/svelte/issues/1233))
+* Fix style attribute optimisation bailout ([#1830](https://github.com/sveltejs/svelte/issues/1830))
+
 ## 3.8.1
 
 * Set SVG namespace for slotted elements ([#3321](https://github.com/sveltejs/svelte/issues/3321))
diff --git a/package.json b/package.json
index a36ead856e..0003186ab5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte",
-  "version": "3.8.1",
+  "version": "3.9.0",
   "description": "Cybernetically enhanced web apps",
   "module": "index.mjs",
   "main": "index",