diff --git a/packages/authentication/azure/pyproject.toml b/packages/authentication/azure/pyproject.toml
index 5861bc5..f5180a1 100644
--- a/packages/authentication/azure/pyproject.toml
+++ b/packages/authentication/azure/pyproject.toml
@@ -34,7 +34,7 @@ opentelemetry-sdk = ">=1.27.0"
 
 [tool.poetry.group.dev.dependencies]
 yapf = ">=0.40.2,<0.44.0"
-isort = ">=5.13.2,<7.0.0"
+isort = ">=5.13.2,<9.0.0"
 pylint = ">=3.2.7,<5.0.0"
 mypy = "^1.11.2"
 pytest = ">=8.3.2,<10.0.0"