diff --git a/CHANGES.md b/CHANGES.md
index 0ddf2e4894..b492695196 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,11 @@
+# synapse 1.143.0rc2 (2025-11-18)
+
+## Internal Changes
+
+- Fixes docker image creation in the release workflow.
+
+
+
 # Synapse 1.143.0rc1 (2025-11-18)
 
 ## Dropping support for PostgreSQL 13
diff --git a/debian/changelog b/debian/changelog
index 249862bc72..24b23ad52e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.143.0~rc2) stable; urgency=medium
+
+  * New Synapse release 1.143.0rc2.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 18 Nov 2025 17:36:08 -0700
+
 matrix-synapse-py3 (1.143.0~rc1) stable; urgency=medium
 
   * New Synapse release 1.143.0rc1.
diff --git a/pyproject.toml b/pyproject.toml
index 8366f59c75..3e23823362 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "matrix-synapse"
-version = "1.143.0rc1"
+version = "1.143.0rc2"
 description = "Homeserver for the Matrix decentralised comms protocol"
 readme = "README.rst"
 authors = [