1 files changed, 5 insertions, 3 deletions

diff --git a/tox.ini b/tox.ini
index c8468a5..34ba2cd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,23 +40,25 @@
 
 [tox]
 skipsdist=True
-envlist = py3,style
+envlist = py36,style
 
 [testenv]
 distribute = False
+basepython = python3.6
 commands =
    {envpython} --version
     pytest --version
     coverage run --module pytest ice_validator/tests --self-test -rxXs
     coverage xml
-deps = -rrequirements.txt
+deps = --no-use-pep517 
+    -rrequirements.txt
     flake8==3.4.1
     coverage==4.5.1
 
 [testenv:style]
 commands = flake8 ice_validator
 
-[testenv:py3]
+[testenv:py36]
 basepython=python3.6
 
 [flake8]