diff --git a/requirements.txt b/requirements.txt
index 35cb29a79..9a73e68bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ sphinxcontrib-mermaid==1.0.0
 sphinxcontrib-phpdomain==0.13.0
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
-sphinx-toolbox==3.10.0
+sphinx-toolbox==4.0.0
 sphinx-reredirects==0.1.6 
 urllib3==2.4.0
 zipp==3.21.0