diff --git a/slapos/recipe/erp5/CHANGES.txt b/slapos/recipe/erp5/CHANGES.txt
index 66f15af7f536089b9db606364f27e882e57504ce..f3c4b702c13bb2a62ebaf2e8836b43553f0ed07b 100644
--- a/slapos/recipe/erp5/CHANGES.txt
+++ b/slapos/recipe/erp5/CHANGES.txt
@@ -1,5 +1,5 @@
 Changelog
 =========
 
-1.0 (unreleased)
+1.1 (unreleased)
 ----------------
diff --git a/slapos/recipe/erp5/setup.cfg b/slapos/recipe/erp5/setup.cfg
deleted file mode 100644
index 0c3455bc479bfc7e6771d88e803f423cb3d9e59a..0000000000000000000000000000000000000000
--- a/slapos/recipe/erp5/setup.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[egg_info]
-tag_build = .dev
-tag_svn_revision = 1
diff --git a/slapos/recipe/erp5/setup.py b/slapos/recipe/erp5/setup.py
index e4975f4fa3d4c895ea398fb2dc1a5ddea7bb1e0b..3fb01e602b9eed3186943c21ef9f7aa12754a179 100644
--- a/slapos/recipe/erp5/setup.py
+++ b/slapos/recipe/erp5/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 name = "slapos.recipe.erp5"
-version = '1.0'
+version = '1.1-dev'
 
 def read(name):
   return open(name).read()