diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index e40d7eb0..6e1caa27 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -7,7 +7,7 @@ mock==1.0.1
 
 # Linting
 
-flake8==2.4.0
+flake8==2.4.1
 mccabe==0.3
 # Note: Old version of pep8 required by flake8 2.4.0
 pep8==1.5.7