diff --git a/pyproject.toml b/pyproject.toml
index 51ec6ec5..081fc168 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = []
 
 [project.optional-dependencies]
 
-dev = ["pre-commit == 3.7.1", "ruff == 0.4.8", "mypy == 1.9.0"]
+dev = ["pre-commit == 3.7.1", "ruff == 0.4.8", "mypy == 1.10.0"]
 
 doc = ["mkdocs == 1.6.0", "mkdocs-material == 9.5.26", "mkdocstrings == 0.24.3"]
 
diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index e95fa15d..0ab9d269 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -12,7 +12,7 @@ filelock==3.13.4
     # via virtualenv
 identify==2.5.36
     # via pre-commit
-mypy==1.9.0
+mypy==1.10.0
     # via isocodes (pyproject.toml)
 mypy-extensions==1.0.0
     # via mypy