diff --git a/CHANGELOG b/CHANGELOG
index 3dd3b45..18abf59 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -295,3 +295,13 @@
 * Add an option to allow re-use of user-interactive authentication sessions for a period of time. (#8970)
 * Allow running the redact endpoint on workers. (#8994)
 
+[1.17.0]
+* Update Synapse to 1.26.0
+* [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.26.0)
+* During user-interactive authentication via single-sign-on, give a better error if the user uses the wrong account on the SSO IdP. (#9091)
+* Give the public_baseurl a default value, if it is not explicitly set in the configuration file. (#9159)
+* Improve performance when calculating ignored users in large rooms. (#9024)
+* Implement MSC2176 in an experimental room version. (#8984)
+* Add an admin API for protecting local media from quarantine. (#9086)
+* Remove a user's avatar URL and display name when deactivated with the Admin API. (#8932)
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 414c777..6c98ee2 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Secure & decentralized communication",
-  "version": "1.16.0",
+  "version": "1.17.0",
   "healthCheckPath": "/",
   "httpPort": 8008,
   "memoryLimit": 536870912,
diff --git a/DESCRIPTION.md b/DESCRIPTION.md
index f2c3a70..61cc560 100644
--- a/DESCRIPTION.md
+++ b/DESCRIPTION.md
@@ -1,4 +1,4 @@
-This app packages Synapse <upstream>1.25.0</upstream>.
+This app packages Synapse <upstream>1.26.0</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