diff --git a/pyproject.toml b/pyproject.toml
index a8ecb81..70551a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ issues = "https://github.com/tryolabs/requestium/issues"
 [project.optional-dependencies]
 dev = [
     "bandit[sarif]==1.9.2",
-    "mypy==1.20.0",
+    "mypy==2.1.0",
     "pre-commit>=4.5,<4.7",
     "pytest-cov>=7.0,<7.2",
     "pytest-xdist~=3.8.0",