diff --git a/tox.ini b/tox.ini
index 42dac04..f0bcb28 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,7 @@ commands =
 
 # Linters
 [testenv:flake8]
+basepython = python3
 skip_install = true
 deps =
     flake8