diff --git a/pyproject.toml b/pyproject.toml
index 34d9d20..4becb1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dependencies = [
 dev = [
   "bandit[toml]>=1.8,<2",
   "build>=1.2,<2",
-  "mypy>=1.14,<2",
+  "mypy>=1.14,<3",
   "pip-audit>=2.7,<3",
   "pytest>=8.3,<9",
   "pytest-cov>=6,<7",