diff --git a/pyproject.toml b/pyproject.toml
index b31ef6b..2a98ffd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dev = [
     "black ==24.3.0",
     "isort ~=5.13.2",
     "ruff >=0.1.9",
-    "mypy ~=1.8.0",
+    "mypy >=1.8,<1.11",
     "pytest ~=7.4.3",
     "pytest-cov ~=4.1.0",
     "types-PyYAML ~=6.0.0",