diff --git a/pyproject.toml b/pyproject.toml
index c51a7d97f..4c2f7ba45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ dev = [
     "isort>=5.10.1",
     "libsass>=0.23.0",
     "brand_yml>=0.1.0",
-    "pyright>=1.1.383,<1.1.395",
+    "pyright>=1.1.398",
     "pre-commit>=2.15.0",
     "wheel",
     "matplotlib",
diff --git a/shiny/_app.py b/shiny/_app.py
index a161cb03a..0de886a69 100644
--- a/shiny/_app.py
+++ b/shiny/_app.py
@@ -9,7 +9,6 @@
 from typing import Any, Callable, Literal, Mapping, Optional, TypeVar, cast
 
 import starlette.applications
-import starlette.exceptions
 import starlette.middleware
 import starlette.routing
 import starlette.websockets
diff --git a/shiny/ui/_page.py b/shiny/ui/_page.py
index 2ba9c7055..3c3ab16bb 100644
--- a/shiny/ui/_page.py
+++ b/shiny/ui/_page.py
@@ -14,7 +14,7 @@
 )
 
 from copy import copy
-from typing import Any, Callable, Literal, Optional, Sequence, cast
+from typing import Any, Callable, Literal, Optional, Sequence
 
 from htmltools import (
     MetadataNode,
@@ -752,7 +752,6 @@ def page_auto(
                 )
 
     # If we got here, _page_fn is not None, but the type checker needs a little help.
-    page_fn = cast(Callable[..., Tag], page_fn)
     return page_fn(*args, **kwargs)