diff --git a/tests/requirements.txt b/tests/requirements.txt
index f0f1e73..11f3509 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -3,7 +3,7 @@ mock
 coverage
 nosexcover
 flake8
-mccabe==0.5.3
+mccabe==0.6.1
 tox
 pep8
 pyflakes==1.3.0