diff --git a/CHANGELOG b/CHANGELOG
index b0cdc35..d24f067 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -346,3 +346,11 @@
 [1.21.1]
 * Update Synapse to 1.30.1
 
+[1.22.0]
+* Update Synapse to 1.31.0
+* [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.31.0)
+* Add support to OpenID Connect login for requiring attributes on the userinfo response. Contributed by Hubbe King. (#9609)
+* Add initial experimental support for a "space summary" API. (#9643, #9652, #9653)
+* Add support for the busy presence state as described in MSC3026. (#9644)
+* Add support for credentials for proxy authentication in the HTTPS_PROXY environment variable. (#9657)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index cd99ff9..48fa0ed 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Secure & decentralized communication",
-  "version": "1.21.1",
+  "version": "1.22.0",
   "healthCheckPath": "/",
   "httpPort": 8008,
   "memoryLimit": 536870912,
diff --git a/DESCRIPTION.md b/DESCRIPTION.md
index 2829814..f01f300 100644
--- a/DESCRIPTION.md
+++ b/DESCRIPTION.md
@@ -1,4 +1,4 @@
-This app packages Synapse <upstream>1.30.1</upstream>.
+This app packages Synapse <upstream>1.31.0</upstream>.
 
 **This package only provides the Matrix backend. A variety of clients are available
 [here](https://matrix.org/clients/). Riot is a popular web frontend for Matrix and