diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c2421b..036da73 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# v2.2.0
+
+## Bugfix / Refactor
+
+
+* refactor: drop django-tree-queries & implement array-based tree functions
+  This brings a massive performance improvement compared to 2.1.0
+  ([`30ed6c43f293c5e45bbacbd735580142fa567e78 `](https://github.com/projectcaluma/emeis/commit/30ed6c43f293c5e45bbacbd735580142fa567e78 ))
+
 # v2.1.0
 
 ## Feature
diff --git a/emeis/emeis_metadata.py b/emeis/emeis_metadata.py
index bcda684..8321dd0 100644
--- a/emeis/emeis_metadata.py
+++ b/emeis/emeis_metadata.py
@@ -2,4 +2,4 @@
 
 __title__ = "emeis"
 __description__ = "user management"
-__version__ = "2.1.0"
+__version__ = "2.2.0"