diff --git a/requirements.txt b/requirements.txt
index a5c61d53b..9f696d6e5 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>=7.3.0
 
 sphinx<8.2.0
 sphinx_book_theme