diff --git a/bidict/VERSION b/bidict/VERSION
index e4fc72f..1436925 100644
--- a/bidict/VERSION
+++ b/bidict/VERSION
@@ -1 +1 @@
-0.10.0.post1
+0.10.1.dev0
diff --git a/docs/changelog.rst b/docs/changelog.rst
index b5bcd53..6382bcb 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -3,6 +3,11 @@
 Changelog
 =========
 
+0.10.1 (not yet released)
+-------------------------
+
+- TODO
+
 0.10.0.post1 (2015-12-23)
 -------------------------