diff --git a/CHANGES.md b/CHANGES.md
index 7f47011a30..342768c8c8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+Synapse 1.12.4 (2020-04-23)
+===========================
+
+No significant changes.
+
+
 Synapse 1.12.4rc1 (2020-04-22)
 ==============================
 
diff --git a/debian/changelog b/debian/changelog
index 642115fc5a..8eaca85232 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.12.4) stable; urgency=medium
+
+  * New synapse release 1.12.4.
+
+ -- Synapse Packaging team <packages@matrix.org>  Thu, 23 Apr 2020 10:58:14 -0400
+
 matrix-synapse-py3 (1.12.3) stable; urgency=medium
 
   [ Richard van der Hoff ]
diff --git a/synapse/__init__.py b/synapse/__init__.py
index fff9d311f3..d8d340f426 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -36,7 +36,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.12.4rc1"
+__version__ = "1.12.4"
 
 if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
     # We import here so that we don't have to install a bunch of deps when