diff --git a/pyproject.toml b/pyproject.toml
index 3fe13c3..88bcc60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ pytest = ">=9.0.3"
 pylint = "^3.1.0"
 black = ">=26.3.1"
 isort = "^5.13.2"
-mypy = "^1.8.0"
+mypy = ">=1.8,<3.0"
 pytest-cov = "^5.0.0"
 backoff = "^1.2.1"
 ruff = "^0.11.10"