diff --git a/misc/requirements/requirements-tox.txt b/misc/requirements/requirements-tox.txt
index 398de75bf..2014e1a55 100644
--- a/misc/requirements/requirements-tox.txt
+++ b/misc/requirements/requirements-tox.txt
@@ -3,5 +3,6 @@
 pluggy==0.7.1
 py==1.6.0
 six==1.11.0
-tox==3.2.1
+toml==0.9.6
+tox==3.3.0
 virtualenv==16.0.0