diff --git a/setup.cfg b/setup.cfg
index aad7cd7..0733e79 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -48,6 +48,7 @@ addopts =
 # tox configuration
 [tox:tox]
 envlist = py36, py37, py38, py39, py310
+skip_missing_interpreters = true
 
 [gh-actions]
 python =