diff --git a/requirements-dev.txt b/requirements-dev.txt
index 255abe9..7f68477 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 # Includes base requirements as well as dev requirements
 -r requirements.txt
-flake8==3.8.3
+flake8==3.9.2
 codecov==2.1.9