diff --git a/misc/requirements/requirements-tox.txt b/misc/requirements/requirements-tox.txt
index 62a037934..bcec912e3 100644
--- a/misc/requirements/requirements-tox.txt
+++ b/misc/requirements/requirements-tox.txt
@@ -5,5 +5,5 @@ pluggy==0.7.1
 py==1.5.4
 pyparsing==2.2.0
 six==1.11.0
-tox==3.1.2
+tox==3.1.3
 virtualenv==16.0.0