diff --git a/tox.ini b/tox.ini
index 154cd7655..eeacf2af5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,7 +31,7 @@ deps =
     flake8-coding
     flake8-future-import
     flake8-blind-except
-    pep8-naming
+    pep8-naming~=0.7.0
 files = beets beetsplug beet test setup.py docs
 
 [testenv]