diff --git a/CHANGELOG.md b/CHANGELOG.md
index b36611a37..1d8b5baa3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -38,6 +38,7 @@ and adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 - Added new function `validate_invariants` which takes in an object and checks that the representation invariants of the object are satisfied.
 - The check for `ENABLE_CONTRACT_CHECKING` is now moved to the top of the body of the `new_setattr` function.
 - Added the file `conftest.py` to store `pytest` fixtures.
+- Updated to [pycodestyle v2.11](https://github.com/PyCQA/pycodestyle/blob/main/CHANGES.txt).
 
 ### Bug Fixes
 
diff --git a/pyproject.toml b/pyproject.toml
index b5273ea04..937a9d472 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "click >= 8.0.1, < 9",
     "colorama ~= 0.4.6",
     "jinja2 ~= 3.1.2",
-    "pycodestyle ~= 2.10.0",
+    "pycodestyle ~= 2.11",
     "pygments >= 2.14,< 2.16",
     "pylint ~= 2.17.4",
     "requests >= 2.28,< 2.32",