diff --git a/tox.ini b/tox.ini
index 9fbbf784..48df84ae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,8 +35,10 @@ commands =
 commands = {posargs}
 
 [testenv:docs]
+whitelist_externals = rm
 deps = -r{toxinidir}/doc/requirements.txt
 commands =
+    rm -fr doc/builds
     sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:bandit]