diff --git a/controller/pyproject.toml b/controller/pyproject.toml
index b82db3f..81fba95 100644
--- a/controller/pyproject.toml
+++ b/controller/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "httpx2>=2,<3",
-  "mypy>=1.17,<2",
+  "mypy>=1.17,<3",
   "pip-audit>=2.10,<3",
   "pytest>=9.0.3,<10",
   "pytest-cov>=6.2,<7",