diff --git a/requirements/development.txt b/requirements/development.txt
index afd5b0d..5fbb9a3 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -12,7 +12,7 @@ pyflakes==1.5.0
 mccabe==0.6.1
 pytest==3.1.3
 pytest-cov==2.5.1
-tox==2.7.0
+tox==2.8.1
 coveralls==1.1
 mock==2.0.0