diff --git a/fsl/version.py b/fsl/version.py
index 4a7965f6d1f786bd1ca1273b4b73b47a464fb06b..a7b2e3d5a7dec6d92d74668c1929dba1071dc314 100644
--- a/fsl/version.py
+++ b/fsl/version.py
@@ -41,7 +41,7 @@ import            re
 import            string
 
 
-__version__ = '1.7.0.dev'
+__version__ = '1.8.0.dev0'
 """Current version number, as a string. """