diff --git a/book/src/requirements.txt b/book/src/requirements.txt
index 515b0f48..0ef75b2f 100644
--- a/book/src/requirements.txt
+++ b/book/src/requirements.txt
@@ -4,7 +4,7 @@ flake8==7.1.2
 hypothesis==6.139.2
 isort==5.13.2
 MutPy==0.6.1
-mypy==1.18.1
+mypy==1.18.2
 mypy-extensions==1.1.0
 pinject==0.14.1
 pip-tools==7.5.0