diff --git a/CHANGELOG b/CHANGELOG
index c4b8b1a..f7f6f2a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -274,3 +274,8 @@
 * [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.23.1)
 * There is a denial of service attack (CVE-2020-26257) against the federation APIs in which future events will not be correctly sent to other servers over federation. This affects all servers that participate in open federation. (Fixed in #8776).
 
+[1.15.0]
+* Update Synapse to 1.24.0
+* [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.24.0)
+* Add a maximum version for pysaml2 on Python 3.5
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index cfc52b9..bbc9277 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Secure & decentralized communication",
-  "version": "1.14.1",
+  "version": "1.15.0",
   "healthCheckPath": "/",
   "httpPort": 8008,
   "memoryLimit": 536870912,
diff --git a/DESCRIPTION.md b/DESCRIPTION.md
index c0ad663..cdf10aa 100644
--- a/DESCRIPTION.md
+++ b/DESCRIPTION.md
@@ -1,4 +1,4 @@
-This app packages Synapse <upstream>1.23.1</upstream>.
+This app packages Synapse <upstream>1.24.0</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