diff --git a/CHANGES.rst b/CHANGES.rst
index 64dc61b..d80a768 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 History
 =======
 
+1.0b5 (unreleased)
+------------------
+
+- No changes yet.
+
+
 1.0b4 (2017-06-07)
 ------------------
 
diff --git a/setup.py b/setup.py
index 8e2601e..279dd32 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ def read_file(name):
         return f.read()
 
 
-version = '1.0b4'
+version = '1.0b5.dev0'
 shortdesc = 'LDAP/AD convenience with Node-trees based on python-ldap'
 longdesc = '\n\n'.join([read_file(name) for name in [
     'README.rst',