diff --git a/CHANGES.md b/CHANGES.md
index 2f3926e106..a75ce73d87 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,10 @@
+# Synapse 1.140.0 (2025-10-14)
+
+No significant changes since 1.140.0rc1.
+
+
+
+
 # Synapse 1.140.0rc1 (2025-10-10)
 
 ## Compatibility notice for users of `synapse-s3-storage-provider`
diff --git a/debian/changelog b/debian/changelog
index d3d7db39c3..8cf346ef54 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.140.0) stable; urgency=medium
+
+  * New Synapse release 1.140.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 14 Oct 2025 15:22:36 +0100
+
 matrix-synapse-py3 (1.140.0~rc1) stable; urgency=medium
 
   * New Synapse release 1.140.0rc1.
diff --git a/pyproject.toml b/pyproject.toml
index 009d1553e5..6fb3e20c50 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -101,7 +101,7 @@ module-name = "synapse.synapse_rust"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.140.0rc1"
+version = "1.140.0"
 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"