diff --git a/CHANGELOG b/CHANGELOG
index a86dc23..5bcd94d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -251,3 +251,9 @@
 * Increase default upload size limit from 10M to 50M. Contributed by @Akkowicz. (#8502)
 * Add support for modifying event content in ThirdPartyRules modules. (#8535, #8564)
 
+[1.13.1]
+* Update Synapse to 1.22.1
+* [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.22.1)
+* Fix a bug where an appservice may not be forwarded events for a room it was recently invited to. Broke in v1.22.0. (#8676)
+* Fix Object of type frozendict is not JSON serializable exceptions when using third-party event rules. Broke in v1.22.0. (#8678)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index c9c6962..6801e30 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Secure & decentralized communication",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "healthCheckPath": "/",
   "httpPort": 8008,
   "memoryLimit": 536870912,
diff --git a/DESCRIPTION.md b/DESCRIPTION.md
index fec8d65..f29ef36 100644
--- a/DESCRIPTION.md
+++ b/DESCRIPTION.md
@@ -1,4 +1,4 @@
-This app packages Synapse <upstream>1.22.0</upstream>.
+This app packages Synapse <upstream>1.22.1</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