diff --git a/tox.ini b/tox.ini
index a61a4a8..421b581 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ deps = nose
        coverage
        scripttest
        mock
-       pytest!=3.2.0
+       pytest!=3.3.0
        pytest-cov
        pytest-mock
        hypothesis