diff --git a/CHANGES.md b/CHANGES.md
index a77768de58..e5608baa11 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+Synapse 1.12.1 (2020-04-02)
+===========================
+
+No significant changes since 1.12.1rc1.
+
+
 Synapse 1.12.1rc1 (2020-03-31)
 ==============================
 
diff --git a/debian/changelog b/debian/changelog
index 39ec9da7ab..8e14e59c0d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.12.1) stable; urgency=medium
+
+  * New synapse release 1.12.1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Mon, 02 Apr 2020 11:30:47 +0000
+
 matrix-synapse-py3 (1.12.0) stable; urgency=medium
 
   * New synapse release 1.12.0.
diff --git a/synapse/__init__.py b/synapse/__init__.py
index c3c5b20f11..5df7d51ab1 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -36,7 +36,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.12.1rc1"
+__version__ = "1.12.1"
 
 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