diff --git a/CHANGELOG.md b/CHANGELOG.md
index 819fee4..8e7afa2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,3 +35,11 @@
 -   Solved some testing issues on **Windows**.
 -   Restructured repository.
 -   Replaced **Yarn** with **npm**.
+
+## 2.0.0 (2019-07-31)
+
+-   Rewritten in [**TypeScript**](https://www.typescriptlang.org/).
+-   Replaced **npm** with **Yarn**.
+-   Exported a default function for programmatic use.
+-   Exposed optional `--env-file` and `--package-manager` options via cli.
+-   **Breaking change**: `.env` file is no longer parsed by default if present. It will only be parsed if provided along with `--env-file` option via cli.
diff --git a/package.json b/package.json
index 13efc73..c71709b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "by-node-env",
-  "version": "1.3.0",
+  "version": "2.0.0",
   "description": "Run package.json scripts by NODE_ENV",
   "keywords": [
     "cross-per-env",