diff --git a/docs/readthedocs/requirements.txt b/docs/readthedocs/requirements.txt
index ff629b462..aedf2f3ce 100644
--- a/docs/readthedocs/requirements.txt
+++ b/docs/readthedocs/requirements.txt
@@ -1,6 +1,6 @@
 commonmark==0.9.1
 recommonmark==0.7.1
-Sphinx==8.1.0
+Sphinx==8.1.3
 sphinx-rtd-theme==3.0.1
 myst-parser==4.0.0
 markdown-it-py==3.0.0