diff --git a/.gitignore b/.gitignore
index ded7093..8b61aff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 /.coverage
 /.coverage.*
 /.tox
+/.tmp
 
 *.deb
 *.egg-info
diff --git a/tox.ini b/tox.ini
index e9cf899..1ce41d7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,9 +4,14 @@ skip_missing_interpreters = true
 
 [testenv]
 deps = -rrequirements-dev.txt
+allowlist_externals =
+    rm
+    mkdir
 commands =
     coverage erase
-    coverage run -m pytest -vv {posargs:tests}
+    rm -rf .tmp
+    mkdir .tmp
+    coverage run -m pytest -vv --basetemp=.tmp {posargs:tests}
     coverage combine
     coverage report --show-missing
     pre-commit run --all-files