diff --git a/ChangeLog b/ChangeLog
index 20f3d1b5..d84ba34d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,16 @@
 Fail2Ban: Changelog
 ===================
 
+ver. 0.10.1-dev-1 (2016/??/??) - development edition
+-----------
+
+### Fixes
+
+### New Features
+
+### Enhancements
+
+
 ver. 0.10.0 (2017/08/09) - long-awaited 0.10th version
 -----------
 
diff --git a/README.md b/README.md
index e0b16ae3..bb87b935 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
                         / _|__ _(_) |_  ) |__  __ _ _ _  
                        |  _/ _` | | |/ /| '_ \/ _` | ' \ 
                        |_| \__,_|_|_/___|_.__/\__,_|_||_|
-                       v0.10.0                 2017/08/09
+                       v0.10.1                 2016/??/??
 
 ## Fail2Ban: ban hosts that cause multiple authentication errors
 
diff --git a/fail2ban/version.py b/fail2ban/version.py
index 1225ae5f..724a0b9a 100644
--- a/fail2ban/version.py
+++ b/fail2ban/version.py
@@ -24,4 +24,4 @@ __author__ = "Cyril Jaquier, Yaroslav Halchenko, Steven Hiscocks, Daniel Black"
 __copyright__ = "Copyright (c) 2004 Cyril Jaquier, 2005-2016 Yaroslav Halchenko, 2013-2014 Steven Hiscocks, Daniel Black"
 __license__ = "GPL-v2+"
 
-version = "0.10.0"
+version = "0.10.1dev1"