diff --git a/pyproject.toml b/pyproject.toml
index 932bbc8c..1e3b69ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ build-backend = "setuptools.build_meta"
 [dependency-groups]
 dev = [
     "jinja2>=3.1.0,<4.0.0",
-    "mypy==1.19.1",
+    "mypy==1.20.0",
     "ruff==0.15.4",
     "scapy>=2.6.1,<3.0.0",
 ]