diff --git a/src/requirements/dev.txt b/src/requirements/dev.txt
index c9d71ae5..10dfe953 100644
--- a/src/requirements/dev.txt
+++ b/src/requirements/dev.txt
@@ -8,4 +8,4 @@ black==20.8b1
 pre-commit==2.8.1
 isort==5.6.4
 hypothesis==5.41.4
-flake8==3.8.3
+flake8==3.8.4