diff --git a/bower.json b/bower.json
index 954dcc85..69f10fbc 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "k3d-jupyter",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "authors": [
     "Artur Trzęsiok <artur.trzesiok@gmail.com>",
     "Sebastian Kremiec <sebastian.kremiec@gmail.com>"
diff --git a/setup.py b/setup.py
index 887e4976..16b23616 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
 setup(
     name='k3d',
-    version='0.3.0',
+    version='0.4.0',
     packages=['k3d'],
     include_package_data=True,
     install_requires=['jupyter-pip'],