diff --git a/kipoiseq/__init__.py b/kipoiseq/__init__.py
index d557a0d..e7ed523 100644
--- a/kipoiseq/__init__.py
+++ b/kipoiseq/__init__.py
@@ -2,7 +2,7 @@
 
 __author__ = 'Kipoi team'
 __email__ = 'avsec@in.tum.de'
-__version__ = '0.3.5'
+__version__ = '0.4.0'
 
 # first import dataclasses
 from .dataclasses import Variant, Interval
diff --git a/setup.cfg b/setup.cfg
index 9b6947c..52919ca 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.5
+current_version = 0.4.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 13e79a3..3185b31 100755
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@
 
 setup(
     name='kipoiseq',
-    version='0.3.5',
+    version='0.4.0',
     description="kipoiseq: sequence-based data-laoders for Kipoi",
     author="Kipoi team",
     author_email='avsec@in.tum.de',