diff --git a/js/packages/binderhub-client/package.json b/js/packages/binderhub-client/package.json
index d6e13b911..b2ab42c3c 100644
--- a/js/packages/binderhub-client/package.json
+++ b/js/packages/binderhub-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyterhub/binderhub-client",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Simple API client for the BinderHub EventSource API",
   "main": "lib/index.js",
   "repository": {