diff --git a/CHANGELOG b/CHANGELOG
index 014691b..1de4b98 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,10 +5,10 @@ This document describes changes between past releases. For information about
 future releases, check `milestones`_ and :doc:`/about/vision`.
 
 
-2.2 (unreleased)
-----------------
+2.1.1 (2020-01-14)
+------------------
 
-- Nothing changed yet.
+- Fix missing function parameter. (#152)
 
 
 2.1 (2020-01-13)
diff --git a/VERSION b/VERSION
index 6710ad0..3e3c2f1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.dev0
+2.1.1