diff --git a/pyproject.toml b/pyproject.toml
index 8f7f43e0..d84516a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = []
 
 [project.optional-dependencies]
 
-dev = ["pre-commit == 3.7.0", "ruff == 0.4.1", "mypy == 1.9.0"]
+dev = ["pre-commit == 3.7.0", "ruff == 0.4.3", "mypy == 1.9.0"]
 
 doc = ["mkdocs == 1.6.0", "mkdocs-material == 9.5.18", "mkdocstrings == 0.24.3"]
 
diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 55e281d1..92ed382d 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -24,7 +24,7 @@ pre-commit==3.7.0
     # via isocodes (pyproject.toml)
 pyyaml==6.0.1
     # via pre-commit
-ruff==0.4.1
+ruff==0.4.3
     # via isocodes (pyproject.toml)
 tomli==2.0.1
     # via mypy