diff --git a/CHANGES.md b/CHANGES.md
index 8fbd50f20e..b30ea24b0d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-# Synapse 1.142.0rc4 (2025-11-07)
+# Synapse 1.142.0 (2025-11-11)
 
 ## Dropped support for Python 3.9
 
@@ -29,6 +29,15 @@ of these wheels downstream, please reach out to us in
 [#synapse-dev:matrix.org](https://matrix.to/#/#synapse-dev:matrix.org). We'd
 love to hear from you!
 
+## Internal Changes
+
+- Properly stop building wheels for Python 3.9 and free-threaded CPython. ([\#19154](https://github.com/element-hq/synapse/issues/19154))
+
+
+
+
+# Synapse 1.142.0rc4 (2025-11-07)
+
 ## Bugfixes
 
 - Fix a bug introduced in 1.142.0rc1 where any attempt to configure `matrix_authentication_service.secret_path` would prevent the homeserver from starting up. ([\#19144](https://github.com/element-hq/synapse/issues/19144))
diff --git a/changelog.d/19154.misc b/changelog.d/19154.misc
deleted file mode 100644
index 7d865a1ace..0000000000
--- a/changelog.d/19154.misc
+++ /dev/null
@@ -1 +0,0 @@
-Properly stop building wheels for Python 3.9 and free-threaded CPython.
\ No newline at end of file
diff --git a/debian/changelog b/debian/changelog
index 6531a59569..1c3b9dff46 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.142.0) stable; urgency=medium
+
+  * New Synapse release 1.142.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 11 Nov 2025 09:45:51 +0000
+
 matrix-synapse-py3 (1.142.0~rc4) stable; urgency=medium
 
   * New Synapse release 1.142.0rc4.
diff --git a/pyproject.toml b/pyproject.toml
index f6289cf519..97bf21d8b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,7 +107,7 @@ module-name = "synapse.synapse_rust"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.142.0rc4"
+version = "1.142.0"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "AGPL-3.0-or-later OR LicenseRef-Element-Commercial"