diff --git a/Changelog.md b/Changelog.md
index 77283a2..6a0c0e8 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2.2.1
+
+### Bugfix
+
+* Restore original error handling of HTTP status codes to before 2.2.0
+* Add dedicated exception BusyError for status code 503
+
 ## 2.2.0
 
 ### New feature
diff --git a/aleph_alpha_client/version.py b/aleph_alpha_client/version.py
index 8a124bf..b19ee4b 100644
--- a/aleph_alpha_client/version.py
+++ b/aleph_alpha_client/version.py
@@ -1 +1 @@
-__version__ = "2.2.0"
+__version__ = "2.2.1"