diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79ad551..bddc329 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,14 +1,18 @@
+# <sub>v4.0.4</sub>
+#### _Nov. 3, 2023_
+  * Minor improvements.
+
 # <sub>v4.0.3</sub>
-#### _Oct. 6-, 2023_
+#### _Oct. 6, 2023_
   * Rewrite the build logic, integrate rollup and create bundles for different consumers.
   * Upgrade dependencies.
 
 # <sub>v4.0.2</sub>
-#### _Sep. 3-, 2023_
+#### _Sep. 3, 2023_
   * Upgrade dependencies.
 
 # <sub>v4.0.2</sub>
-#### _Sep. 3-, 2023_
+#### _Sep. 3, 2023_
   * Upgrade dependencies.
 
 # <sub>v4.0.1</sub>
diff --git a/package.json b/package.json
index 8050ee0..b8ed31e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "o2diff",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "Returns the difference between two objects",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
@@ -19,7 +19,7 @@
     "prepublish": "pnpm build",
     "start": "ts-node-dev --rs --cls ./index.ts",
     "clean": "rm -rf ./build ./dist",
-    "build": "pnpm clean && pnpm build:tsc && pnpm build:dist && cp dist/index.umd.js docs/o2diff.js",
+    "build": "pnpm clean && pnpm build:tsc && pnpm build:dist",
     "build:tsc": "pnpm tsc --project tsconfig.dist.json",
     "build:dist": "pnpm rollup -c",
     "prettify": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",