diff --git a/lms/models/json_settings.py b/lms/models/json_settings.py
index 5273a04ec8..dbd65960fa 100644
--- a/lms/models/json_settings.py
+++ b/lms/models/json_settings.py
@@ -72,7 +72,7 @@ class JSONSettings(MutableDict):
     An optional spec for the acceptable fields and types.
     """
 
-    def get(self, group, key, default=None):  # type: ignore
+    def get(self, group: str, key: str, default=None):  # type: ignore[override]
         """
         Return the requested setting or None.
 
diff --git a/lms/resources/_js_config/__init__.py b/lms/resources/_js_config/__init__.py
index ba4e24a699..3294ede0cf 100644
--- a/lms/resources/_js_config/__init__.py
+++ b/lms/resources/_js_config/__init__.py
@@ -7,7 +7,7 @@
 from lms.error_code import ErrorCode
 from lms.events import LTIEvent
 from lms.js_config_types import DashboardConfig, DashboardRoutes, User
-from lms.models import Assignment, Course, Grouping
+from lms.models import ApplicationInstance, Assignment, Course, Grouping
 from lms.product.blackboard import Blackboard
 from lms.product.canvas import Canvas
 from lms.product.d2l import D2L
@@ -48,7 +48,7 @@ def _h_user(self):
         return self._lti_user.h_user
 
     @property
-    def _application_instance(self):
+    def _application_instance(self) -> ApplicationInstance:
         return self._lti_user.application_instance
 
     def add_document_url(  # pylint: disable=too-complex,too-many-branches,useless-suppression  # noqa: PLR0912