diff --git a/bower.json b/bower.json
index 6858884..104f490 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "Springy",
   "main": "springy.js",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "homepage": "https://github.com/dhotson/springy",
   "authors": [
     "Dennis Hotson <dennis@99designs.com>"
diff --git a/package.json b/package.json
index 6588ae5..d572773 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "springy",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "A force directed graph layout algorithm in JavaScript.",
   "main": "springy.js",
   "scripts": {