diff --git a/requirements.txt b/requirements.txt
index 9672d10..dde6f19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pandas>=0.23
 wheel>=0.33.6
 twine==2.0.0
 bump2version==0.5.11
-flake8==3.7.9
+flake8==5.0.3
 sphinx==2.2.1
 jupyter>=1.0.0
 pytest==5.3.1
\ No newline at end of file