diff --git a/sdk/python/feast/feature_service.py b/sdk/python/feast/feature_service.py
index c3037a55da2..7ec923205a3 100644
--- a/sdk/python/feast/feature_service.py
+++ b/sdk/python/feast/feature_service.py
@@ -56,7 +56,7 @@ def __init__(
         *,
         name: str,
         features: List[Union[FeatureView, OnDemandFeatureView]],
-        tags: Dict[str, str] = None,
+        tags: Optional[Dict[str, str]] = None,
         description: str = "",
         owner: str = "",
         logging_config: Optional[LoggingConfig] = None,
diff --git a/sdk/python/feast/feature_view.py b/sdk/python/feast/feature_view.py
index 67f9662d317..f87ae7ab132 100644
--- a/sdk/python/feast/feature_view.py
+++ b/sdk/python/feast/feature_view.py
@@ -101,7 +101,7 @@ def __init__(
         name: str,
         source: DataSource,
         schema: Optional[List[Field]] = None,
-        entities: List[Entity] = None,
+        entities: Optional[List[Entity]] = None,
         ttl: Optional[timedelta] = timedelta(days=0),
         online: bool = True,
         description: str = "",
diff --git a/sdk/python/requirements/py3.10-ci-requirements.txt b/sdk/python/requirements/py3.10-ci-requirements.txt
index 094418cda6b..c7dcb7b91e3 100644
--- a/sdk/python/requirements/py3.10-ci-requirements.txt
+++ b/sdk/python/requirements/py3.10-ci-requirements.txt
@@ -902,7 +902,7 @@ traitlets==5.13.0
     #   nbformat
 trino==0.327.0
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
     # via feast (setup.py)
 types-protobuf==3.19.22
     # via
diff --git a/sdk/python/requirements/py3.10-requirements.txt b/sdk/python/requirements/py3.10-requirements.txt
index 18486d7fa9a..cb5f1c59327 100644
--- a/sdk/python/requirements/py3.10-requirements.txt
+++ b/sdk/python/requirements/py3.10-requirements.txt
@@ -196,7 +196,8 @@ toolz==0.12.0
     #   partd
 tqdm==4.66.1
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
+    # via feast (setup.py)
     # via feast (setup.py)
 types-protobuf==4.24.0.4
     # via mypy-protobuf
diff --git a/sdk/python/requirements/py3.8-ci-requirements.txt b/sdk/python/requirements/py3.8-ci-requirements.txt
index c477c208355..64b2904a06a 100644
--- a/sdk/python/requirements/py3.8-ci-requirements.txt
+++ b/sdk/python/requirements/py3.8-ci-requirements.txt
@@ -919,7 +919,7 @@ traitlets==5.13.0
     #   nbformat
 trino==0.327.0
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
     # via feast (setup.py)
 types-protobuf==3.19.22
     # via
diff --git a/sdk/python/requirements/py3.8-requirements.txt b/sdk/python/requirements/py3.8-requirements.txt
index c180c50c81e..542c5e3d121 100644
--- a/sdk/python/requirements/py3.8-requirements.txt
+++ b/sdk/python/requirements/py3.8-requirements.txt
@@ -201,7 +201,7 @@ toolz==0.12.0
     #   partd
 tqdm==4.66.1
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
     # via feast (setup.py)
 types-protobuf==4.24.0.4
     # via mypy-protobuf
diff --git a/sdk/python/requirements/py3.9-ci-requirements.txt b/sdk/python/requirements/py3.9-ci-requirements.txt
index 6f400fe2408..a973053b2ca 100644
--- a/sdk/python/requirements/py3.9-ci-requirements.txt
+++ b/sdk/python/requirements/py3.9-ci-requirements.txt
@@ -911,7 +911,7 @@ traitlets==5.13.0
     #   nbformat
 trino==0.327.0
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
     # via feast (setup.py)
 types-protobuf==3.19.22
     # via
diff --git a/sdk/python/requirements/py3.9-requirements.txt b/sdk/python/requirements/py3.9-requirements.txt
index 3b6f88b4e2a..027e3e1762c 100644
--- a/sdk/python/requirements/py3.9-requirements.txt
+++ b/sdk/python/requirements/py3.9-requirements.txt
@@ -196,7 +196,7 @@ toolz==0.12.0
     #   partd
 tqdm==4.66.1
     # via feast (setup.py)
-typeguard==2.13.3
+typeguard==4.1.5
     # via feast (setup.py)
 types-protobuf==4.24.0.4
     # via mypy-protobuf
diff --git a/setup.py b/setup.py
index 33bf76e1819..a72a3942ede 100644
--- a/setup.py
+++ b/setup.py
@@ -70,7 +70,7 @@
     "tenacity>=7,<9",
     "toml>=0.10.0,<1",
     "tqdm>=4,<5",
-    "typeguard==2.13.3",
+    "typeguard>=4.0.0",
     "fastapi>=0.68.0,<0.100",
     "uvicorn[standard]>=0.14.0,<1",
     "gunicorn",