diff --git a/CHANGES.md b/CHANGES.md
index 42f9a96546..bb758b1bc3 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,18 @@
+# Synapse 1.145.0 (2026-01-13)
+
+No significant changes since 1.145.0rc4.
+
+## End of Life of Ubuntu 25.04 Plucky Puffin
+
+Ubuntu 25.04 (Plucky Puffin) will be end of life on Jan 17, 2026. Synapse will stop building packages for Ubuntu 25.04 shortly thereafter.
+
+## Updates to Locked Dependencies No Longer Included in Changelog
+
+The "Updates to locked dependencies" section has been removed from the changelog due to lack of use and the maintenance burden. ([\#19254](https://github.com/element-hq/synapse/issues/19254))
+
+
+
+
 # Synapse 1.145.0rc4 (2026-01-08)
 
 No significant changes since 1.145.0rc3.
diff --git a/debian/changelog b/debian/changelog
index 83bf194bad..6ea411f2d2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.145.0) stable; urgency=medium
+
+  * New Synapse release 1.145.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 13 Jan 2026 08:37:42 -0700
+
 matrix-synapse-py3 (1.145.0~rc4) stable; urgency=medium
 
   * New Synapse release 1.145.0rc4.
diff --git a/pyproject.toml b/pyproject.toml
index 548c1284e8..a6f7eac92c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "matrix-synapse"
-version = "1.145.0rc4"
+version = "1.145.0"
 description = "Homeserver for the Matrix decentralised comms protocol"
 readme = "README.rst"
 authors = [