diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3bdb30c..787b1f2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,10 @@
 repos:
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.21.0
+    hooks:
+      - id: pyupgrade
+        args: ["--py39-plus"]
+
   - repo: https://github.com/psf/black
     rev: 23.3.0
     hooks:
diff --git a/django_typesense/collections.py b/django_typesense/collections.py
index 50c8c97..8b0b50e 100644
--- a/django_typesense/collections.py
+++ b/django_typesense/collections.py
@@ -2,7 +2,7 @@
 
 import logging
 from operator import methodcaller
-from typing import Dict, Iterable, List, Union
+from collections.abc import Iterable
 
 from django.db.models import QuerySet
 from django.utils.functional import cached_property
@@ -68,11 +68,11 @@ class TypesenseCollection(metaclass=TypesenseCollectionMeta):
     default_sorting_field: str = ""
     token_separators: list = []
     symbols_to_index: list = []
-    synonyms: List[Synonym] = []
+    synonyms: list[Synonym] = []
 
     def __init__(
         self,
-        obj: Union[object, QuerySet, Iterable] = None,
+        obj: object | QuerySet | Iterable = None,
         many: bool = False,
         data: list = None,
         update_fields: list = None,
@@ -117,7 +117,7 @@ def get_data(self):
         return data
 
     @classmethod
-    def get_fields(cls) -> Dict[str, TypesenseField]:
+    def get_fields(cls) -> dict[str, TypesenseField]:
         """
         Returns:
             A dictionary of the fields names to the field definition for this collection
diff --git a/django_typesense/paginator.py b/django_typesense/paginator.py
index a41df6e..b0e8083 100644
--- a/django_typesense/paginator.py
+++ b/django_typesense/paginator.py
@@ -19,7 +19,7 @@ def prepare_results(self):
         """
         documents = (hit['document'] for hit in self.object_list["hits"])
         collection = self.model.get_collection(data=documents)
-        model_field_names = set((local_field.name for local_field in self.model._meta.local_fields))
+        model_field_names = {local_field.name for local_field in self.model._meta.local_fields}
         results = []
 
         for _data in collection.validated_data:
diff --git a/django_typesense/utils.py b/django_typesense/utils.py
index b106d73..a8c152d 100644
--- a/django_typesense/utils.py
+++ b/django_typesense/utils.py
@@ -3,7 +3,6 @@
 import logging
 import os
 from datetime import date, datetime, time
-from typing import List
 
 from django.core.exceptions import FieldError
 from django.core.paginator import Paginator
@@ -212,9 +211,9 @@ def get_unix_timestamp(datetime_object) -> int:
 def export_documents(
     collection_name,
     filter_by: str = None,
-    include_fields: List[str] = None,
-    exclude_fields: List[str] = None,
-) -> List[dict]:
+    include_fields: list[str] = None,
+    exclude_fields: list[str] = None,
+) -> list[dict]:
     from django_typesense.typesense_client import client
 
     params = {}