diff --git a/tox.ini b/tox.ini
index 463b72f3..e06be115 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist = py37,py38,pypy3,pre-commit
 
 [testenv]
 deps = -rrequirements-dev.txt
-passenv = APPDATA HOME LOCALAPPDATA PROGRAMFILES RUSTUP_HOME
+passenv = *
 commands =
     coverage erase
     coverage run -m pytest {posargs:tests}