diff --git a/CHANGELOG b/CHANGELOG
index 6a06b89..cafc192 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,6 +5,12 @@ This document describes changes between past releases. For information about
 future releases, check `milestones`_ and :doc:`/about/vision`.
 
 
+2.0 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 1.10 (2020-01-07)
 -----------------
 
diff --git a/VERSION b/VERSION
index c044b1a..e86cd87 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.10
+2.0.dev0