diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index b26b6d5..80c624f 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.4.0dev0
+current_version = 0.4.1dev0
 commit = False
 tag = False
 tag_name = {new_version}
diff --git a/setup.py b/setup.py
index 06bc7c0..a575c96 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="publish-conda-stack",
-    version="0.4.0dev0",
+    version="0.4.1dev0",
     author="Stuart Berg, Carsten Haubold",
     author_email="team@ilastik.org",
     license="MIT",
diff --git a/src/publish_conda_stack/__init__.py b/src/publish_conda_stack/__init__.py
index d9b25cb..7456056 100644
--- a/src/publish_conda_stack/__init__.py
+++ b/src/publish_conda_stack/__init__.py
@@ -1 +1 @@
-__version__ = "0.4.0dev0"
+__version__ = "0.4.1dev0"