diff --git a/HISTORY.md b/HISTORY.md
index c26c416..5dafa5d 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,10 @@
+## 1.1.0 (April 7, 2016)
+
+- Migrate to [CSSO 2.0](https://github.com/css/csso/releases/tag/v2.0.0)
+
 ## 1.0.1 (March 19, 2016)
 
-- Internal refactoring and minor fixes
+- Refactoring and minor fixes
 
 ## 1.0.0 (March 16, 2016)
 
diff --git a/package.json b/package.json
index c0abc0f..51ad646 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-csso",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "PostCSS plugin to minify CSS using CSSO",
   "keywords": [
     "css",