diff --git a/History.md b/History.md
index 370f0ed..a0a1aae 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,13 @@
 
+2.2.0 / 2018-01-15
+==================
+
+  * Add `auth` to proxyUri
+  * Upgrade to "agent-base" v4.2.0
+  * Use `Object.keys()` to determine the supported proxies
+  * Remove `extend` dependency
+  * Update dependencies
+
 2.1.0 / 2017-07-20
 ==================
 
diff --git a/package.json b/package.json
index d97ad03..20766e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "proxy-agent",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Maps proxy protocols to `http.Agent` implementations",
   "main": "index.js",
   "scripts": {