diff --git a/CHANGES.md b/CHANGES.md
index a77768de581fbb3e5532c21c83fa23e164f243b1..e5608baa114a24b8e3c2e14759c337082b25bed6 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 39ec9da7abc2e7d7fe48f1d9de83f88845fc4771..8e14e59c0db98bf780a5ac6680e39f0b4e0d57f0 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 c3c5b20f11fc09912dff210453f54ca5b5a6a106..5df7d51ab12d82292f4e0112efc041834c54046d 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