diff --git a/pyproject.toml b/pyproject.toml
index ec2399b..cd45a8a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = []
 dev = [
   "build>=1.2,<2",
   "hatchling>=1.26,<2",
-  "mypy>=1.16,<2",
+  "mypy>=1.16,<3",
   "pre-commit>=4.2,<5",
   "pytest>=8.4,<10",
   "pytest-cov>=6.2,<8",