diff --git a/requirements.txt b/requirements.txt
index bdc2ffa..d07f41c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 # Linting
 isort>=5.9,<5.11
-flake8>=3.9,<4.1
+flake8>=3.9,<6.1