diff --git a/CHANGELOG b/CHANGELOG
index 0121237..ba455ca 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`.
 
 
+2.1 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 2.0 (2020-01-07)
 ----------------
 
diff --git a/VERSION b/VERSION
index cd5ac03..7a61fb5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0
+2.1.dev0