diff --git a/tox.ini b/tox.ini
index 081ae8f4e..e03f2989e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,6 +9,7 @@ envlist =
     py37
     docs
     style
+    skip_missing_interpreters = True
 
 [testenv]
 description = Run unit tests with pytest