diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07eaf74..56d231d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -779,3 +779,25 @@
 * Update Synapse to 1.73.0
 * Update Cloudron base image to 4.0.0
 * [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.73.0)
+
+[1.57.0]
+* Update Synapse to 1.74.0
+* [Full changelog](https://github.com/matrix-org/synapse/releases/tag/v1.74.0)
+* Improve user search for international display names. ([\#14464](https://github.com/matrix-org/synapse/issues/14464))
+* Stop using deprecated `keyIds` parameter when calling `/_matrix/key/v2/server`. ([\#14490](https://github.com/matrix-org/synapse/issues/14490), [\#14525](https://github.com/matrix-org/synapse/issues/14525))
+* Add new `push.enabled` config option to allow opting out of push notification calculation. ([\#14551](https://github.com/matrix-org/synapse/issues/14551), [\#14619](https://github.com/matrix-org/synapse/issues/14619))
+* Advertise support for Matrix 1.5 on `/_matrix/client/versions`. ([\#14576](https://github.com/matrix-org/synapse/issues/14576))
+* Improve opentracing and logging for to-device message handling. ([\#14598](https://github.com/matrix-org/synapse/issues/14598))
+* Allow selecting "prejoin" events by state keys in addition to event types. ([\#14642](https://github.com/matrix-org/synapse/issues/14642))
+* Fix a long-standing bug where a device list update might not be sent to clients in certain circumstances. ([\#14435](https://github.com/matrix-org/synapse/issues/14435), [\#14592](https://github.com/matrix-org/synapse/issues/14592), [\#14604](https://github.com/matrix-org/synapse/issues/14604))
+* Suppress a spurious warning when `POST /rooms/<room_id>/<membership>/`, `POST /join/<room_id_or_alias`, or the unspecced `PUT /join/<room_id_or_alias>/<txn_id>` receive an empty HTTP request body. ([\#14600](https://github.com/matrix-org/synapse/issues/14600))
+* Return spec-compliant JSON errors when unknown endpoints are requested. ([\#14620](https://github.com/matrix-org/synapse/issues/14620), [\#14621](https://github.com/matrix-org/synapse/issues/14621))
+* Update html templates to load images over HTTPS. Contributed by @ashfame. ([\#14625](https://github.com/matrix-org/synapse/issues/14625))
+* Fix a long-standing bug where the user directory would return 1 more row than requested. ([\#14631](https://github.com/matrix-org/synapse/issues/14631))
+* Reject invalid read receipt requests with empty room or event IDs. Contributed by Nick @ Beeper (@fizzadar). ([\#14632](https://github.com/matrix-org/synapse/issues/14632))
+* Fix a bug introduced in Synapse 1.67.0 where not specifying a config file or a server URL would lead to the `register_new_matrix_user` script failing. ([\#14637](https://github.com/matrix-org/synapse/issues/14637))
+* Fix a long-standing bug where the user directory and room/user stats might be out of sync. ([\#14639](https://github.com/matrix-org/synapse/issues/14639), [\#14643](https://github.com/matrix-org/synapse/issues/14643))
+* Fix a bug introduced in Synapse 1.72.0 where the background updates to add non-thread unique indexes on receipts would fail if they were previously interrupted. ([\#14650](https://github.com/matrix-org/synapse/issues/14650))
+* Improve validation of field size limits in events. ([\#14664](https://github.com/matrix-org/synapse/issues/14664))
+* Fix bugs introduced in Synapse 1.55.0 and 1.69.0 where application services would not be notified of events in the correct rooms, due to stale caches. ([\#14670](https://github.com/matrix-org/synapse/issues/14670))
+
diff --git a/CloudronManifest.json b/CloudronManifest.json
index 388322b..b2f6301 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -5,8 +5,8 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG.md",
   "tagline": "Secure & decentralized communication",
-  "version": "1.56.0",
-  "upstreamVersion": "1.73.0",
+  "version": "1.57.0",
+  "upstreamVersion": "1.74.0",
   "healthCheckPath": "/",
   "httpPort": 8008,
   "memoryLimit": 536870912,
diff --git a/Dockerfile b/Dockerfile
index 557b1b6..5b1111f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN virtualenv -p python3 /app/code/env
 ENV VIRTUAL_ENV=/app/code/env
 ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
-ARG VERSION=v1.73.0
+ARG VERSION=v1.74.0
 
 # Synapse (https://github.com/matrix-org/synapse/blob/master/INSTALL.md)
 # lxml - required for previews