diff --git a/fsl/version.py b/fsl/version.py
index ca8bdbc31a907847967a09a4498143f6caaeb049..9030805603613b6397c11d7fce25d31341d03a42 100644
--- a/fsl/version.py
+++ b/fsl/version.py
@@ -47,7 +47,7 @@ import            re
 import            string
 
 
-__version__ = '3.7.0.dev0'
+__version__ = '3.8.0.dev0'
 """Current version number, as a string. """