diff --git a/package.json b/package.json
index ba3b282..60c05e0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jupyterlab-sos",
-  "version": "0.4.6",
+  "version": "0.4.7",
   "description": "JupyterLab extension for SoS workflow engine and polyglot notebook",
   "keywords": [
     "jupyter",