diff --git a/CHANGES.rst b/CHANGES.rst
index 3d98fdb0e..186501bcb 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,9 +1,9 @@
 .. currentmodule:: wtforms
 
-Version 3.x.x
+Version 3.1.1
 -------------
 
-Unreleased
+Released 2023-11-01
 
 - Display :class:`~wtforms.Flags` values in their repr. :pr:`808`
 - :class:`~fields.SelectField` and :class:`~fields.SelectMultipleField`
diff --git a/src/wtforms/__init__.py b/src/wtforms/__init__.py
index d31b0717d..9af9f2936 100644
--- a/src/wtforms/__init__.py
+++ b/src/wtforms/__init__.py
@@ -4,4 +4,4 @@
 from wtforms.form import Form
 from wtforms.validators import ValidationError
 
-__version__ = "3.1.0"
+__version__ = "3.1.1"