diff --git a/hyperspy/Release.py b/hyperspy/Release.py
index 6dc8ec0d49..0c0c49699a 100644
--- a/hyperspy/Release.py
+++ b/hyperspy/Release.py
@@ -25,7 +25,7 @@
 # When running setup.py the "+dev" string will be replaced (if possible)
 # by the output of "git describe" if git is available or the git
 # hash if .git is present.
-version = "0.8.5"
+version = "1.0+dev"
 description = "Multidimensional data analysis toolbox"
 license = 'GPL v3'