diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4afab8f..fed3725 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 flake8==3.3.0
-mccabe==0.6.1
+mccabe==0.7.0
 pycodestyle==2.3.1
 pyflakes==1.5.0
 py==1.4.34