diff --git a/book/src/requirements.txt b/book/src/requirements.txt
index 1953fa0b..69461d7e 100644
--- a/book/src/requirements.txt
+++ b/book/src/requirements.txt
@@ -1,7 +1,7 @@
 black==24.10.0
 coverage==7.10.5
 flake8==7.1.2
-hypothesis==6.138.3
+hypothesis==6.138.4
 isort==5.13.2
 MutPy==0.6.1
 mypy==1.17.1