diff --git a/package.json b/package.json
index cb2d368..55bee1b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "datasette-nteract-data-explorer",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "Automatic data visualization in datasette",
   "source": "frontend-src/main.tsx",
   "main": "dist/index.js",
diff --git a/setup.py b/setup.py
index 8a107a6..53f53dc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 import os
 
-VERSION = "0.3.1"
+VERSION = "0.4.0"
 ROOT = os.path.dirname(os.path.abspath(__file__))
 
 def get_long_description():