diff --git a/setup.py b/setup.py
index 7a2fc152..be0315ae 100644
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,7 @@
     url='http://pydub.com',
     packages=['pydub'],
     long_description=__doc__,
+    install_requires=['audioop-lts>=0.2.1; python_version>="3.13"'],
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: MIT License',
diff --git a/test/test.py b/test/test.py
index 1965761f..2da3d0fa 100644
--- a/test/test.py
+++ b/test/test.py
@@ -1086,7 +1086,7 @@ def test_from_file_clean_fail(self):
             tmp_wav_file.flush()
             self.assertRaises(CouldntDecodeError, AudioSegment.from_file, tmp_wav_file.name)
             files = os.listdir(tempfile.tempdir)
-            self.assertEquals(files, [os.path.basename(tmp_wav_file.name)])
+            self.assertEqual(files, [os.path.basename(tmp_wav_file.name)])
 
         if sys.platform == 'win32':
             os.remove(tmp_wav_file.name)
@@ -1109,7 +1109,7 @@ def setUp(self):
 
     def test_split_on_silence_complete_silence(self):
         seg = AudioSegment.silent(5000)
-        self.assertEquals( split_on_silence(seg), [] )
+        self.assertEqual( split_on_silence(seg), [] )
 
     def test_split_on_silence_test1(self):
         self.assertEqual(