diff --git a/package.json b/package.json
index 1f9d9cc9..85587e62 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-statistics",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Simple Statistics",
   "author": "Tom MacWright <tom@macwright.org> (http://macwright.org/)",
   "repository": {