diff --git a/pyproject.toml b/pyproject.toml
index 7620b62..4708307 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "httpx>=0.27,<1",
-  "mypy>=1.11,<2",
+  "mypy>=1.11,<3",
   "pre-commit>=3.8,<5",
   "pytest>=8.3,<10",
   "pytest-cov>=5,<8",