diff --git a/pyproject.toml b/pyproject.toml
index e4a30a7..4765364 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dev = [
     "pytest>=8.0,<10.0",
     "pytest-cov>=5.0,<8.0",
     "ruff>=0.6,<1.0",
-    "mypy>=1.11,<2.0",
+    "mypy>=1.11,<3.0",
     "pip-audit>=2.7,<3.0",
     "build>=1.2,<2.0",
     "twine>=5.1,<7.0",