diff --git a/CHANGELOG.md b/CHANGELOG.md
index 342ae50..14364ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+<a name="1.1.0"></a>
+# [1.1.0](https://github.com/karma-runner/karma-firefox-launcher/compare/v1.0.1...v1.1.0) (2017-12-07)
+
+
+### Bug Fixes
+
+* safe handling of missing env variables ([98a4ada](https://github.com/karma-runner/karma-firefox-launcher/commit/98a4ada)), closes [#67](https://github.com/karma-runner/karma-firefox-launcher/issues/67)
+
+
+### Features
+
+* support Firefox headless ([a1fc1c8](https://github.com/karma-runner/karma-firefox-launcher/commit/a1fc1c8))
+
+
+
 <a name="1.0.1"></a>
 ## [1.0.1](https://github.com/karma-runner/karma-firefox-launcher/compare/v1.0.0...v1.0.1) (2017-03-04)
 
diff --git a/package.json b/package.json
index e1b2d0d..fb7e9d8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "karma-firefox-launcher",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "A Karma plugin. Launcher for Firefox.",
   "main": "index.js",
   "scripts": {