diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 7a35870..452a0dc 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,14 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog <https://keepachangelog.com/en/1.0.0/>`_,
 and this project adheres to `Semantic Versioning <https://semver.org/spec/v2.0.0.html>`_.
 
+[1.1.1] - 2023-10-20
+--------------------
+
+Added
+^^^^^
+
+* Support for Python 3.12.
+
 
 [1.1.0] - 2023-08-19
 --------------------
diff --git a/doc/conf.py b/doc/conf.py
index 6cefe4d..930291b 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -64,7 +64,7 @@
 # The short X.Y version.
 version = "1.1"
 # The full version, including alpha/beta/rc tags.
-release = "1.1.0"
+release = "1.1.1"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pyproject.toml b/pyproject.toml
index c9a1057..c26a429 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ license = "MIT"
 name = "goppy"
 readme = "README.rst"
 repository = "https://github.com/jgosmann/goppy"
-version = "1.1.0" # also update in doc/conf.py
+version = "1.1.1" # also update in doc/conf.py
 
 [tool.poetry.dependencies]
 numpy = [