diff --git a/fsl/version.py b/fsl/version.py
index d727163a04b40256540114f418eaf6ef7211f1e8..37c6bc56fde2327449f8b4ba99e7812c938f0761 100644
--- a/fsl/version.py
+++ b/fsl/version.py
@@ -47,7 +47,7 @@ import            re
 import            string
 
 
-__version__ = '2.0.0.dev0'
+__version__ = '2.1.0.dev0'
 """Current version number, as a string. """