diff --git a/packages/authentication/azure/pyproject.toml b/packages/authentication/azure/pyproject.toml
index f5180a1..c43e8a0 100644
--- a/packages/authentication/azure/pyproject.toml
+++ b/packages/authentication/azure/pyproject.toml
@@ -36,7 +36,7 @@ opentelemetry-sdk = ">=1.27.0"
 yapf = ">=0.40.2,<0.44.0"
 isort = ">=5.13.2,<9.0.0"
 pylint = ">=3.2.7,<5.0.0"
-mypy = "^1.11.2"
+mypy = ">=1.11.2,<3.0.0"
 pytest = ">=8.3.2,<10.0.0"
 pytest-asyncio = ">=0.24,<1.4"
 pytest-mock = "^3.14.0"