diff --git a/chronosynd-py/pyproject.toml b/chronosynd-py/pyproject.toml
index d40b8c9..880b95d 100644
--- a/chronosynd-py/pyproject.toml
+++ b/chronosynd-py/pyproject.toml
@@ -36,7 +36,7 @@ dev = [
   "pytest-cov>=5.0,<7.0",
   "hypothesis>=6.100,<7.0",
   "ruff>=0.5,<1.0",
-  "mypy>=1.10,<2.0",
+  "mypy>=1.10,<3.0",
   "scipy-stubs>=1.13,<2.0",
 ]
 viz = [