diff --git a/setup.py b/setup.py
index 22019ad0d..9097d170c 100755
--- a/setup.py
+++ b/setup.py
@@ -71,7 +71,7 @@ setup(name='beets',
       },
 
       install_requires=[
-          'mutagen',
+          'mutagen>=1.20',
           'munkres',
           'unidecode',
           'musicbrainzngs>=0.2',