diff --git a/pymisp/__init__.py b/pymisp/__init__.py
index 22d2e1b..dbcc6ac 100644
--- a/pymisp/__init__.py
+++ b/pymisp/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '2.4.90'
+__version__ = '2.4.91'
 import logging
 import functools
 import warnings