diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 819b77d5..233d950f 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -6,7 +6,7 @@ xlrd==0.9.2
 
 # Linting
 
-flake8==2.0
+flake8==2.1.0
 mccabe==0.2.1
 pep8==1.4.6
 pyflakes==0.7.3