diff --git a/docs/about/release-notes.md b/docs/about/release-notes.md
index ea65f877..f98bb913 100644
--- a/docs/about/release-notes.md
+++ b/docs/about/release-notes.md
@@ -21,6 +21,10 @@ The current and past members of the MkDocs team.
 * [@d0ugal](https://github.com/d0ugal/)
 * [@waylan](https://github.com/waylan/)
 
+## Version 1.1 (*in development*)
+
+...
+
 ## Version 1.0.4 (2018-09-07)
 
 * Bugfix: Ignore absolute links in Markdown (#1621).
diff --git a/mkdocs/__init__.py b/mkdocs/__init__.py
index 6cf172e0..a2569085 100644
--- a/mkdocs/__init__.py
+++ b/mkdocs/__init__.py
@@ -4,4 +4,4 @@
 from __future__ import unicode_literals
 
 # For acceptable version formats, see https://www.python.org/dev/peps/pep-0440/
-__version__ = '1.0.4'
+__version__ = '1.1.dev0'