diff --git a/setup.py b/setup.py
index 534cf41..72364c5 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name="jupyterhub-backendspawner",
-    version="0.3.3",
+    version="0.4.0",
     description="JupyterHub Spawner to spawn on different systems.",
     url="https://github.com/kreuzert/jupyterhub-backendspawner",
     author="Tim Kreuzer",