diff --git a/CHANGES.md b/CHANGES.md
index 94ee661151..9060b84853 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,12 @@
+# Synapse 1.109.0 (2024-06-18)
+
+### Internal Changes
+
+- Fix the building of binary wheels for macOS by switching to macOS 12 CI runners. ([\#17319](https://github.com/element-hq/synapse/issues/17319))
+
+
+
+
 # Synapse 1.109.0rc3 (2024-06-17)
 
 ### Bugfixes
diff --git a/changelog.d/17319.misc b/changelog.d/17319.misc
deleted file mode 100644
index 6bb0eb6ade..0000000000
--- a/changelog.d/17319.misc
+++ /dev/null
@@ -1 +0,0 @@
-Switch to macOS 12 runners to fix building of wheels for macOS.
diff --git a/debian/changelog b/debian/changelog
index e5b7809bcf..e9b05f8553 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.109.0) stable; urgency=medium
+
+  * New synapse release 1.109.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 18 Jun 2024 09:45:15 +0000
+
 matrix-synapse-py3 (1.109.0~rc3) stable; urgency=medium
 
   * New synapse release 1.109.0rc3.
diff --git a/pyproject.toml b/pyproject.toml
index 7567b1de40..1485016a5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -96,7 +96,7 @@ module-name = "synapse.synapse_rust"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.109.0rc3"
+version = "1.109.0"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "AGPL-3.0-or-later"