diff --git a/src/mslice/__init__.py b/src/mslice/__init__.py
index ecac3dd5..216a468c 100644
--- a/src/mslice/__init__.py
+++ b/src/mslice/__init__.py
@@ -6,6 +6,6 @@
 on Mantid (http://www.mantidproject.org).
 """
 
-version_info = (2, 9, 0)
+version_info = (2, 9, 1)
 __version__ = '.'.join(map(str, version_info))
 __project_url__ = 'https://github.com/mantidproject/mslice'