1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index aa99e283..d3df21bf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,7 @@ minversion = 3.2
 requires =
 	tox-pip-version >= 0.0.6
 	# workaround for #1998
-	virtualenv < 20
+	virtualenv < 20; python_version=="2.7"
 
 [helpers]
 # Custom pip behavior