diff --git a/package.json b/package.json
index 1f2bd57..cf995dc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@romellem/hover-image",
-  "version": "0.3.5",
+  "version": "0.4.0",
   "description": "A generic library to swap out an image on hover.",
   "main": "./lib/umd/hover-image.js",
   "module": "./lib/esm/hover-image.esm.js",