diff --git a/requirements.dev.txt b/requirements.dev.txt
index 8dd1bf36390b5a03aeaa9c22a7b5c903810ddb2b..06bbc1931d42f050a276c75b84ddb847deadecca 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,4 +1,4 @@
-flake8==3.8.3
+flake8==3.8.4
 pylint==2.6.0
 pytest==6.1.0
 pytest-watch==4.2.0