diff --git a/HISTORY.md b/HISTORY.md
index 3b720b3..69b2078 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,7 @@
+## 2.0.0 (March 14, 2017)
+
+- Migrate to [CSSO 3.0](https://github.com/css/csso/releases/tag/v3.0.0)
+
 ## 1.1.2 (May 8, 2016)
 
 - Fix CSS parse error handling (#5)
diff --git a/package.json b/package.json
index 7e644e3..9e31b9c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-csso",
-  "version": "1.1.2",
+  "version": "2.0.0",
   "description": "PostCSS plugin to minify CSS using CSSO",
   "keywords": [
     "css",