diff --git a/package.json b/package.json
index c2bb722..62a7959 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deephaven/ipywidgets",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Deephaven ipython widget library",
   "keywords": [
     "ipywidgets",