diff --git a/CHANGES.md b/CHANGES.md
index b384da0..2ec98f1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # python-socketio change log
 
+**Release 5.15.1** - 2025-12-16
+
+- Restore support multiple arguments via pubsub emits [#1540](https://github.com/miguelgrinberg/python-socketio/issues/1540) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/c279f26bb8c9887c4ca99d4d81ad331c4844438c))
+
 **Release 5.15.0** - 2025-11-22
 
 - Retry initial Redis connection [#1534](https://github.com/miguelgrinberg/python-socketio/issues/1536) ([commit #1](https://github.com/miguelgrinberg/python-socketio/commit/1e903e173a2d7b04599c4f7f9630c1abbb531fad) [commit #2](https://github.com/miguelgrinberg/python-socketio/commit/5e898a9b93526e6e667767e54c60f4c84589989d))
diff --git a/pyproject.toml b/pyproject.toml
index a1c1391..a8f1833 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "python-socketio"
-version = "5.15.1.dev0"
+version = "5.15.1"
 license = {text = "MIT"}
 authors = [
     { name = "Miguel Grinberg", email = "miguel.grinberg@gmail.com" },