diff --git a/{{cookiecutter.app_name}}/requirements/dev.txt b/{{cookiecutter.app_name}}/requirements/dev.txt
index 713c931..70a8f96 100644
--- a/{{cookiecutter.app_name}}/requirements/dev.txt
+++ b/{{cookiecutter.app_name}}/requirements/dev.txt
@@ -7,7 +7,7 @@ WebTest==2.0.27
 factory-boy==2.8.1
 
 # Lint and code style
-flake8==3.3.0
+flake8==3.4.1
 flake8-blind-except==0.1.1
 flake8-debugger==1.4.0
 flake8-docstrings==1.1.0