diff --git a/featuremanagement/_featuremanagerbase.py b/featuremanagement/_featuremanagerbase.py
index 8ec7ba1..99e15f0 100644
--- a/featuremanagement/_featuremanagerbase.py
+++ b/featuremanagement/_featuremanagerbase.py
@@ -8,7 +8,7 @@
 import hashlib
 import logging
 from abc import ABC
-from typing import List, Optional, Dict, Tuple, Any, Mapping, Callable, cast
+from typing import List, Optional, Dict, Tuple, Any, Mapping, Callable
 from ._models import FeatureFlag, Variant, VariantAssignmentReason, TargetingContext, EvaluationEvent, VariantReference
 
 FEATURE_MANAGEMENT_KEY = "feature_management"
@@ -293,4 +293,4 @@ def _get_feature_flags(self) -> List[Any]:
         feature_flags = feature_management.get(FEATURE_FLAG_KEY)
         if not feature_flags or not isinstance(feature_flags, list):
             return []
-        return cast(List[Any], feature_flags)
+        return feature_flags
diff --git a/pyproject.toml b/pyproject.toml
index f50d406..70b9bb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,4 +1,9 @@
 [tool.pytest.ini_options]
+asyncio_mode = "auto"
+addopts = "--import-mode=importlib"
+markers = [
+  "asyncio: mark a test as an asyncio test",
+]
 pythonpath = [
   "."
 ]
@@ -58,21 +63,21 @@ Homepage = "https://github.com/microsoft/FeatureManagement-Python"
 Issues = "https://github.com/microsoft/FeatureManagement-Python/issues"
 
 [project.optional-dependencies]
-AzureMonitor = ["opentelemetry-sdk~=1.20"]
+AzureMonitor = ["opentelemetry-sdk~=1.44.0"]
 test = [
-    "azure-monitor-opentelemetry < 2.0.0",
+    "azure-monitor-opentelemetry < 1.8.9",
 ]
 dev = [
-    "pytest >= 7.0.0, < 10.0.0",
-    "pytest-cov >= 4.0.0, < 8.0.0",
-    "pytest-asyncio >= 0.21.0, < 2.0.0",
-    "black >= 23.0.0, < 27.0.0",
-    "pylint >= 3.0.0, < 5.0.0",
-    "mypy >= 1.0.0, < 2.0.0",
-    "sphinx >= 7.0.0, < 10.0.0",
-    "sphinx_rtd_theme >= 2.0.0, < 4.0.0",
-    "sphinx-toolbox >= 3.0.0, < 5.0.0",
-    "myst_parser >= 2.0.0, < 6.0.0",
-    "opentelemetry-api~=1.20",
-    "opentelemetry-sdk~=1.20",
+    "pytest >= 9.1.1, < 10.0.0",
+    "pytest-cov >= 7.1.0, < 8.0.0",
+    "pytest-asyncio >= 1.4.0, < 2.0.0",
+    "black >= 26.5.1, < 27.0.0",
+    "pylint >= 4.0.7, < 5.0.0",
+    "mypy >= 2.3.0, < 3.0.0",
+    "sphinx >= 8.1.3, < 10.0.0",
+    "sphinx_rtd_theme >= 3.1.0, < 4.0.0",
+    "sphinx-toolbox >= 4.3.0, < 5.0.0",
+    "myst_parser >= 4.0.1, < 6.0.0",
+    "opentelemetry-api~=1.44.0",
+    "opentelemetry-sdk~=1.44.0",
 ]