diff --git a/requirements.txt b/requirements.txt
index c6c5bd19e..1bd9cfe20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pytest>=3.6
 nbval>=0.9.0
 pytest-cov>=2.6.0
 
-flake8>=3.5.0
+flake8>=7.4.1
 
 sphinx
 sphinx_book_theme