diff --git a/requirements.txt b/requirements.txt
index 1f96809..5cb900b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -139,7 +139,7 @@ pycodestyle==2.7.0
     # via flake8
 pycparser==2.21
     # via cffi
-pyflakes==2.3.1
+pyflakes==2.4.0
     # via flake8
 pyparsing==2.4.7
     # via packaging