diff --git a/pyproject.toml b/pyproject.toml
index e2d2a58..5349258 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 dev = [
     "black==25.11.0",
     "build==1.3.0",
-    "mypy==1.18.2",
+    "mypy==1.19.1",
     "pytest==8.4.2",
     "pytest-cov==7.0.0",
     "pylint==3.3.9",