diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 2b1e9c91..90918cfb 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -5,7 +5,7 @@ nose-parameterized==0.2
 # Linting
 
 flake8==2.0
-mccabe==0.2
+mccabe==0.2.1
 pep8==1.4.5
 pyflakes==0.6.1