diff --git a/ci-constraints-requirements.txt b/ci-constraints-requirements.txt
index 04e5e3a420ae..38c71f891532 100644
--- a/ci-constraints-requirements.txt
+++ b/ci-constraints-requirements.txt
@@ -164,7 +164,7 @@ sphinxcontrib-jsmath==1.0.1
     # via sphinx
 sphinxcontrib-qthelp==1.0.6
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.8
+sphinxcontrib-serializinghtml==1.1.9
     # via sphinx
 sphinxcontrib-spelling==8.0.0
     # via cryptography (pyproject.toml)