diff --git a/src/documents/bulk_edit.py b/src/documents/bulk_edit.py
index 2d62ea57b..71a1570f6 100644
--- a/src/documents/bulk_edit.py
+++ b/src/documents/bulk_edit.py
@@ -63,7 +63,7 @@ def release_archive_serial_numbers(doc_ids: list[int]) -> dict[int, int | None]:
     return backup
 
 
-def restore_archive_serial_numbers(backup: dict[int, int]) -> None:
+def restore_archive_serial_numbers(backup: dict[int, int | None]) -> None:
     """
     Restores ASNs using the provided backup map, intended for
     rollback when replacement consumption fails.
@@ -342,8 +342,8 @@ def set_permissions(
     doc_ids: list[int],
     set_permissions: dict,
     *,
-    owner=None,
-    merge=False,
+    owner: User = None,
+    merge: bool = False,
 ) -> Literal["OK"]:
     qs = Document.objects.filter(id__in=doc_ids).select_related("owner")
 
@@ -614,7 +614,7 @@ def delete_pages(doc_ids: list[int], pages: list[int]) -> Literal["OK"]:
 
 def edit_pdf(
     doc_ids: list[int],
-    operations: list[dict],
+    operations: list[dict[str, int]],
     *,
     delete_original: bool = False,
     update_document: bool = False,
diff --git a/src/documents/tests/test_bulk_edit.py b/src/documents/tests/test_bulk_edit.py
index 191b452ac..e031f6aa4 100644
--- a/src/documents/tests/test_bulk_edit.py
+++ b/src/documents/tests/test_bulk_edit.py
@@ -1123,9 +1123,9 @@ class TestPDFActions(DirectoriesMixin, TestCase):
     @mock.patch("documents.bulk_edit.chord")
     def test_edit_pdf_restore_on_failure(
         self,
-        mock_chord,
-        mock_consume_file,
-        mock_delete_documents,
+        mock_chord: mock.Mock,
+        mock_consume_file: mock.Mock,
+        mock_delete_documents: mock.Mock,
     ) -> None:
         """
         GIVEN:
@@ -1152,7 +1152,10 @@ class TestPDFActions(DirectoriesMixin, TestCase):
         self.assertEqual(self.doc2.archive_serial_number, 333)
 
     @mock.patch("documents.tasks.update_document_content_maybe_archive_file.delay")
-    def test_edit_pdf_with_update_document(self, mock_update_document) -> None:
+    def test_edit_pdf_with_update_document(
+        self,
+        mock_update_document: mock.Mock,
+    ) -> None:
         """
         GIVEN:
             - A single existing PDF document
@@ -1182,7 +1185,11 @@ class TestPDFActions(DirectoriesMixin, TestCase):
 
     @mock.patch("documents.bulk_edit.group")
     @mock.patch("documents.tasks.consume_file.s")
-    def test_edit_pdf_without_metadata(self, mock_consume_file, mock_group) -> None:
+    def test_edit_pdf_without_metadata(
+        self,
+        mock_consume_file: mock.Mock,
+        mock_group: mock.Mock,
+    ) -> None:
         """
         GIVEN:
             - Existing document
@@ -1201,7 +1208,11 @@ class TestPDFActions(DirectoriesMixin, TestCase):
 
     @mock.patch("documents.bulk_edit.group")
     @mock.patch("documents.tasks.consume_file.s")
-    def test_edit_pdf_open_failure(self, mock_consume_file, mock_group) -> None:
+    def test_edit_pdf_open_failure(
+        self,
+        mock_consume_file: mock.Mock,
+        mock_group: mock.Mock,
+    ) -> None:
         """
         GIVEN:
             - Existing document