diff --git a/unicycler/version.py b/unicycler/version.py
index 287669d7..da4feeb9 100644
--- a/unicycler/version.py
+++ b/unicycler/version.py
@@ -13,4 +13,4 @@
 not, see <http://www.gnu.org/licenses/>.
 """
 
-__version__ = '0.4.0'
+__version__ = '0.4.1'