diff --git a/CHANGELOG.md b/CHANGELOG.md
index 088dd5e..48b3f18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+* Import `@override` from `typing_extensions` conditionally.
+
 ## 2.6.3 - 2026-05-07
 
 * Add an "ocr" extra.
diff --git a/pyproject.toml b/pyproject.toml
index f133703..36e1329 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
   "djvulibre-python (>=0.9.3)",
   "fpdf2 (>=2.8)",
   "loguru (>=0.7)",
+  "typing_extensions (>=4.5.0); python_version < '3.12'",
   "pdfrw (>=0.4)",
   "pillow (>=12.2.0)",
 ]
diff --git a/src/dpsprep/options.py b/src/dpsprep/options.py
index d7c7558..340cb6a 100644
--- a/src/dpsprep/options.py
+++ b/src/dpsprep/options.py
@@ -1,10 +1,16 @@
 import json
+import sys
 from collections.abc import Iterator, Mapping
 from dataclasses import dataclass
 from typing import Any, Literal, cast, get_args
 
 import click
-from typing_extensions import override
+
+
+if sys.version_info < (3, 12):
+    from typing_extensions import override
+else:
+    from typing import override
 
 from dpsprep.exceptions import DpsPrepConfigError
 from dpsprep.ranges import (
diff --git a/uv.lock b/uv.lock
index 6fd170f..78e9606 100644
--- a/uv.lock
+++ b/uv.lock
@@ -357,6 +357,7 @@ dependencies = [
     { name = "loguru" },
     { name = "pdfrw" },
     { name = "pillow" },
+    { name = "typing-extensions", marker = "python_full_version < '3.12'" },
 ]
 
 [package.optional-dependencies]
@@ -387,6 +388,7 @@ requires-dist = [
     { name = "ocrmypdf", marker = "extra == 'ocr'", specifier = ">=17" },
     { name = "pdfrw", specifier = ">=0.4" },
     { name = "pillow", specifier = ">=12.2.0" },
+    { name = "typing-extensions", marker = "python_full_version < '3.12'", specifier = ">=4.5.0" },
 ]
 provides-extras = ["compress", "ocr"]