diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce6aac6..c58fb6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.1] - 2019-07-08
+
+### Fixed
+
+- Fixed `rule.source === undefined` from `postcss-modules-values`.
+
 ## [1.1.0] - 2019-02-05
 
 ### Added
diff --git a/package.json b/package.json
index e9b1450..3add11a 100755
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "postcss-px-to-viewport",
   "description": "A CSS post-processor that converts px to viewport units (vw, vh, vmin, vmax).",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "author": "Dmitry Karpunin <koderfunk@gmail.com>",
   "license": "MIT",
   "repository": {