diff --git a/pyproject.toml b/pyproject.toml
index 10aff50404d..3eace448421 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -237,7 +237,6 @@ module = [
     "sphinx.ext.doctest",
     "sphinx.ext.graphviz",
     "sphinx.ext.inheritance_diagram",
-    "sphinx.ext.napoleon.docstring",
     "sphinx.highlighting",
     "sphinx.jinja2glue",
     "sphinx.registry",
diff --git a/sphinx/application.py b/sphinx/application.py
index ea1f79ba74e..3547b279d65 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -218,7 +218,7 @@ def __init__(self, srcdir: str | os.PathLike[str], confdir: str | os.PathLike[st
 
         # keep last few messages for traceback
         # This will be filled by sphinx.util.logging.LastMessagesWriter
-        self.messagelog: deque = deque(maxlen=10)
+        self.messagelog: deque[str] = deque(maxlen=10)
 
         # say hello to the world
         logger.info(bold(__('Running Sphinx v%s')), sphinx.__display_version__)
@@ -1718,7 +1718,7 @@ def newest_template_mtime(self) -> float:
         """
         return 0
 
-    def render(self, template: str, context: dict) -> None:
+    def render(self, template: str, context: dict[str, Any]) -> None:
         """Called by the builder to render a template given as a filename with
         a specified context (a Python dictionary).
         """
diff --git a/sphinx/ext/napoleon/docstring.py b/sphinx/ext/napoleon/docstring.py
index cc3c7f4ce1a..bdd0cc713f0 100644
--- a/sphinx/ext/napoleon/docstring.py
+++ b/sphinx/ext/napoleon/docstring.py
@@ -52,7 +52,7 @@
 _SINGLETONS = ("None", "True", "False", "Ellipsis")
 
 
-class Deque(collections.deque):
+class Deque(collections.deque[Any]):
     """
     A subclass of deque that mimics ``pockets.iterators.modify_iter``.
 
@@ -195,7 +195,7 @@ def __init__(
         if not hasattr(self, '_directive_sections'):
             self._directive_sections: list[str] = []
         if not hasattr(self, '_sections'):
-            self._sections: dict[str, Callable] = {
+            self._sections: dict[str, Callable[..., list[str]]] = {
                 'args': self._parse_parameters_section,
                 'arguments': self._parse_parameters_section,
                 'attention': partial(self._parse_admonition, 'attention'),
@@ -1023,7 +1023,7 @@ def is_numeric(token: str) -> bool:
 
 
 def _convert_numpy_type_spec(
-    _type: str, location: str | None = None, translations: dict | None = None,
+    _type: str, location: str | None = None, translations: dict[str, str] | None = None,
 ) -> str:
     if translations is None:
         translations = {}