diff --git a/pyhelm3/client.py b/pyhelm3/client.py
index 14d6399..9b45510 100644
--- a/pyhelm3/client.py
+++ b/pyhelm3/client.py
@@ -96,7 +96,7 @@ async def pull_chart(
         devel: bool = False,
         repo: t.Optional[str] = None,
         version: t.Optional[str] = None
-    ) -> contextlib.AbstractAsyncContextManager[pathlib.Path]:
+    ) -> t.AsyncGenerator[Chart, None]:
         """
         Context manager that pulls the specified chart and yields a chart object
         whose ref is the unpacked chart directory.
diff --git a/pyhelm3/models.py b/pyhelm3/models.py
index ef915e8..457d063 100644
--- a/pyhelm3/models.py
+++ b/pyhelm3/models.py
@@ -2,6 +2,7 @@
 import enum
 import pathlib
 import typing as t
+import annotated_types as at
 
 import yaml
 
@@ -59,8 +60,8 @@ def validate_str_as(validate_type):
 
 
 #: Annotated string types for URLs
-AnyUrl = t.Annotated[str, AfterValidator(validate_str_as(PydanticAnyUrl))]
-HttpUrl = t.Annotated[str, AfterValidator(validate_str_as(PydanticHttpUrl))]
+AnyUrl = at.Annotated[str, AfterValidator(validate_str_as(PydanticAnyUrl))]
+HttpUrl = at.Annotated[str, AfterValidator(validate_str_as(PydanticHttpUrl))]
 
 
 class ChartDependency(BaseModel):
diff --git a/setup.cfg b/setup.cfg
index cb1eeb2..efe8ca9 100755
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,5 +13,5 @@ zip_safe = False
 include_package_data = True
 packages = find:
 install_requires =
-    pydantic
+    pydantic>=2.0.0
     pyyaml