diff --git a/requirements_dev.txt b/requirements_dev.txt
index e6c547a..d7d6a0b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==10.0.1
 bumpversion==0.5.3
 wheel==0.33.1
 watchdog==0.9.0
-flake8==3.7.6
+flake8==3.7.7
 tox==3.8.3
 coverage==4.5.1
 Sphinx==1.8.5