diff --git a/pyproject.toml b/pyproject.toml
index 72fa81c8..a653227f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ repository = "https://github.com/HLasse/textdescriptives"
 documentation = "https://hlasse.github.io/TextDescriptives/"
 
 [project.optional-dependencies]
-style = ["black==23.11.0", "pre-commit==3.6.0", "ruff==0.1.6", "mypy==1.7.1"]
+style = ["black==23.11.0", "pre-commit==3.6.0", "ruff==0.1.6", "mypy==1.8.0"]
 tests = ["pytest>=7.1.3", "pytest-cov>=3.0.0"]
 docs = [
     "sphinx>=5.3.0",