diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0d5df12..a2059a7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,7 +2,7 @@ myst-parser==2.0.0
 rstcheck==6.1.2
 sphinx==6.2.1
 nbsphinx==0.9.2
-sphinx-autobuild==2021.3.14
+sphinx-autobuild==2025.8.25
 sphinx-markdown-parser==0.2.4
 sphinxcontrib-actdiag==3.0.0
 sphinxcontrib-blockdiag==3.0.0