diff --git a/CHANGES.md b/CHANGES.md
index 8d1ba899e7..1cb3e7da13 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,13 @@
+# Synapse 1.126.0 (2025-03-11)
+Administrators using the Debian/Ubuntu packages from `packages.matrix.org`, please check
+[the relevant section in the upgrade notes](https://github.com/element-hq/synapse/blob/release-v1.126/docs/upgrade.md#change-of-signing-key-expiry-date-for-the-debianubuntu-package-repository)
+as we have recently updated the expiry date on the repository's GPG signing key. The old version of the key will expire on `2025-03-15`.
+
+No significant changes since 1.126.0rc3.
+
+
+
+
 # Synapse 1.126.0rc3 (2025-03-07)
 
 ### Bugfixes
@@ -9,9 +19,6 @@
 
 # Synapse 1.126.0rc2 (2025-03-05)
 
-Administrators using the Debian/Ubuntu packages from `packages.matrix.org`, please check
-[the relevant section in the upgrade notes](https://github.com/element-hq/synapse/blob/release-v1.126/docs/upgrade.md#change-of-signing-key-expiry-date-for-the-debianubuntu-package-repository)
-as we have recently updated the expiry date on the repository's GPG signing key. The old version of the key will expire on `2025-03-15`.
 
 ### Internal Changes
 
diff --git a/debian/changelog b/debian/changelog
index 8104933cf1..69d19fa048 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.126.0) stable; urgency=medium
+
+  * New Synapse release 1.126.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 11 Mar 2025 13:11:29 +0000
+
 matrix-synapse-py3 (1.126.0~rc3) stable; urgency=medium
 
   * New Synapse release 1.126.0rc3.
diff --git a/pyproject.toml b/pyproject.toml
index 7db8fa08ad..27a4da7e72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -97,7 +97,7 @@ module-name = "synapse.synapse_rust"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.126.0rc3"
+version = "1.126.0"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "AGPL-3.0-or-later"