diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1145574..32015b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Popover Attribute Polyfill Changelog
 
+## 0.5.0: 2024-10-08
+
+- 💥 BREAKING: `main` entry point (used by
+  `require("@oddbird/popover-polyfill")`) now points to the default build, which
+  automatically applies the polyfill --
+  [#223](https://github.com/oddbird/popover-polyfill/pull/223)
+- 🚀 NEW: Add CommonJS build --
+  [#223](https://github.com/oddbird/popover-polyfill/pull/223)
+- 🏠 INTERNAL: Upgrade dependencies
+
 ## 0.4.4: 2024-07-22
 
 - 🐛 BUGFIX: Add support for slotting elements into popovers --
diff --git a/package-lock.json b/package-lock.json
index 580720c..5a80027 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@oddbird/popover-polyfill",
-  "version": "0.4.4",
+  "version": "0.5.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@oddbird/popover-polyfill",
-      "version": "0.4.4",
+      "version": "0.5.0",
       "license": "BSD-3-Clause",
       "devDependencies": {
         "@eslint/js": "^9.12.0",
diff --git a/package.json b/package.json
index 38ff874..b13d0b7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oddbird/popover-polyfill",
-  "version": "0.4.4",
+  "version": "0.5.0",
   "description": "Popover Attribute Polyfill",
   "license": "BSD-3-Clause",
   "publishConfig": {