diff --git a/setup.py b/setup.py
index 7fac67e..683f9bc 100755
--- a/setup.py
+++ b/setup.py
@@ -100,7 +100,7 @@ def _read(filename):
 
     install_requires=[
         'six>=1.9',
-        'mutagen>=1.33',
+        'mutagen>=1.43',
     ] + (['enum34>=1.0.4'] if sys.version_info < (3, 4, 0) else []),
 
     tests_require=[
diff --git a/test/test_mediafile.py b/test/test_mediafile.py
index 8d1ea8b..a961784 100644
--- a/test/test_mediafile.py
+++ b/test/test_mediafile.py
@@ -930,7 +930,7 @@ class AIFFTest(ReadWriteTestBase, unittest.TestCase):
         'bitrate': 705600,
         'format': u'AIFF',
         'samplerate': 44100,
-        'bitdepth': 0,
+        'bitdepth': 16,
         'channels': 1,
     }