diff --git a/book/src/requirements.txt b/book/src/requirements.txt
index 3d4a80d2..1cab6db8 100644
--- a/book/src/requirements.txt
+++ b/book/src/requirements.txt
@@ -1,6 +1,6 @@
 black==24.10.0
 coverage==7.9.2
-flake8==7.1.2
+flake8==7.3.0
 hypothesis==6.136.2
 isort==5.13.2
 MutPy==0.6.1