diff --git a/package.json b/package.json
index ce1f5407..480aa7b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "d3-graphviz",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "Graphviz DOT rendering and animated transitions for D3",
   "keywords": [
     "d3",