diff --git a/tox.ini b/tox.ini
index 3ebba29..8bd65d8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ deps = -r{toxinidir}/requirements.txt
 
 whitelist_externals = find
                       sh
+                      rm
 
 commands =
   find . -type f -name "*.pyc" -delete