diff --git a/.flake8 b/.flake8
deleted file mode 100644
index ccf942e..0000000
--- a/.flake8
+++ /dev/null
@@ -1,34 +0,0 @@
-[flake8]
-min_python_version = 3.7.0
-max-line-length = 88
-ignore = E501, E203, W503, E704
-per-file-ignores =
-    # N818: error suffix in exception names (API-breaking change)
-    tomlkit/exceptions.py: N818,
-    # FS003: f-string missing prefix
-    tests/test_items.py: FS003,
-    tests/test_api.py: FS003,
-    tests/test_toml_document.py: FS003,
-exclude =
-    .git
-    __pycache__
-    setup.py
-    build
-    dist
-    releases
-    .venv
-    .tox
-    .mypy_cache
-    .pytest_cache
-    .vscode
-    .github
-ban-relative-imports = true
-# flake8-use-fstring: https://github.com/MichaelKim0407/flake8-use-fstring#--percent-greedy-and---format-greedy
-format-greedy = 1
-inline-quotes = double
-eradicate-whitelist-extend = ^-.*;
-extend-ignore =
-    # E203: Whitespace before ':' (pycqa/pycodestyle#373)
-    E203,
-    # SIM106: Handle error-cases first
-    SIM106,
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77e63d5..124efaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change Log
 
-## [unreleased]
+## [0.13.1] - 2024-08-14
 
 ### Fixed
 
@@ -414,7 +414,8 @@
 - Fixed handling of super tables with different sections.
 - Fixed raw strings escaping.
 
-[unreleased]: https://github.com/sdispater/tomlkit/compare/0.13.0...master
+[unreleased]: https://github.com/sdispater/tomlkit/compare/0.13.1...master
+[0.13.1]: https://github.com/sdispater/tomlkit/releases/tag/0.13.1
 [0.13.0]: https://github.com/sdispater/tomlkit/releases/tag/0.13.0
 [0.12.5]: https://github.com/sdispater/tomlkit/releases/tag/0.12.5
 [0.12.4]: https://github.com/sdispater/tomlkit/releases/tag/0.12.4
diff --git a/pyproject.toml b/pyproject.toml
index 0ebe4f1..e9d249c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tomlkit"
-version = "0.13.0"
+version = "0.13.1"
 description = "Style preserving TOML library"
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>",
diff --git a/tomlkit/__init__.py b/tomlkit/__init__.py
index 16a3aab..b5b6773 100644
--- a/tomlkit/__init__.py
+++ b/tomlkit/__init__.py
@@ -27,7 +27,7 @@
 from tomlkit.api import ws
 
 
-__version__ = "0.13.0"
+__version__ = "0.13.1"
 __all__ = [
     "aot",
     "array",