diff --git a/CHANGES.md b/CHANGES.md
index 93d80fb2..b2738aec 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # Flask-SocketIO change log
 
+**Release 5.3.1** - 2022-09-11
+
+- Always pop `allow_unsafe_werkzeug` option from kwargs [#1877](https://github.com/miguelgrinberg/flask-socketio/issues/1877) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/9923502960da2c543c43bcc498d6acc2fc80179c)) (thanks **zakx**!)
+
 **Release 5.3.0** - 2022-08-23
 
 - Add `call()` function to emit to the client and wait for the callback response [#1830](https://github.com/miguelgrinberg/flask-socketio/issues/1830) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/94a28590e211784e9365ac21185fd617bd1a0a9f))
diff --git a/setup.cfg b/setup.cfg
index 2dc77361..7eb3cce1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = Flask-SocketIO
-version = 5.3.0
+version = 5.3.1
 author = Miguel Grinberg
 author_email = miguel.grinberg@gmail.com
 description = Socket.IO integration for Flask applications