diff --git a/book/src/requirements.txt b/book/src/requirements.txt
index 5c32d149..88a6acbc 100644
--- a/book/src/requirements.txt
+++ b/book/src/requirements.txt
@@ -9,7 +9,7 @@ mypy-extensions==1.1.0
 pinject==0.14.1
 pip-tools==7.5.1
 pyflakes==3.2.0
-pylint==3.3.8
+pylint==3.3.9
 pytest==8.4.2
 pytest-cov==5.0.0
 pytype==2024.9.13