diff --git a/butterfly/__init__.py b/butterfly/__init__.py
index d06225b..4934631 100644
--- a/butterfly/__init__.py
+++ b/butterfly/__init__.py
@@ -14,7 +14,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-__version__ = '1.5.7'
+__version__ = '1.5.8'
 
 
 import os