diff --git a/CHANGES.md b/CHANGES.md
index 88cb2bdf259a478351f61e7e9804769c14579c7e..5f2a4a41eb42467dbab0a5fcbee85d6e5b793bc6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+Synapse 1.80.0 (2023-03-28)
+===========================
+
+No significant changes since 1.80.0rc2.
+
+
 Synapse 1.80.0rc2 (2023-03-22)
 ==============================
 
diff --git a/debian/changelog b/debian/changelog
index ca231603087b51f29c33565bb70711a3c905427d..98366d49166bb9f457dd31ff0f90828a312883e6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.80.0) stable; urgency=medium
+
+  * New Synapse release 1.80.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 28 Mar 2023 11:10:33 +0100
+
 matrix-synapse-py3 (1.80.0~rc2) stable; urgency=medium
 
   * New Synapse release 1.80.0rc2.
diff --git a/pyproject.toml b/pyproject.toml
index 9a6306ee701bc81dae227f1a2069eb8fca011fff..dc5522c4b516bb2d250bf0f616d104497f648ffe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,7 +89,7 @@ manifest-path = "rust/Cargo.toml"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.80.0rc2"
+version = "1.80.0"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "Apache-2.0"