diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19b8d36..a83ba17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1481,3 +1481,12 @@
 [1.120.3]
 * Update synapse-s3-storage-provider to 1.6.0
 
+[1.121.0]
+* Update synapse to 1.140.0
+* [Full Changelog](https://github.com/element-hq/synapse/releases/tag/v1.140.0)
+* Add a new Media Query by ID Admin API that allows server admins to query and investigate the metadata of local or cached remote media via the origin/media_id identifier found in a Matrix Content URI. (#18911)
+* Add a new Fetch Event Admin API to fetch an event by ID. (#18963)
+* Update MSC4284: Policy Servers implementation to support signatures when available. (#18934)
+* Add experimental implementation of the GET /_matrix/client/v1/rtc/transports endpoint for the latest draft of MSC4143: MatrixRTC. (#18967)
+* Expose a defer_to_threadpool function in the Synapse Module API that allows modules to run a function on a separate thread in a custom threadpool. (#19032)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 7a4092f..a915602 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG.md",
   "tagline": "Secure & decentralized communication",
-  "version": "1.120.3",
+  "version": "1.121.0",
   "upstreamVersion": "1.140.0",
   "healthCheckPath": "/",
   "httpPort": 8008,