diff --git a/pyproject.toml b/pyproject.toml
index 90d12e8..ead2ac7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-  "mypy>=1.11,<2",
+  "mypy>=1.11,<3",
   "pytest>=8.3,<9",
   "pytest-asyncio>=0.23,<1",
   "pytest-cov>=5,<7",