diff --git a/package.json b/package.json
index f6617a58..dfc02e8e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sanctuary",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Refuge from unsafe JavaScript",
   "license": "MIT",
   "repository": {