diff --git a/pyproject.toml b/pyproject.toml
index 85727d7..7e87f28 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==1.19.1",
+    "mypy==1.20.0",
     "pre-commit~=4.5.0",
     "pytest-cov~=7.0.0",
     "pytest-xdist~=3.8.0",