diff --git a/doc/requirements.txt b/doc/requirements.txt
index 1ad69dbd..a38efb61 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -63,7 +63,7 @@ scikit-learn==1.6.1 ; python_version >= "3.9" and python_version < "3.15"
 scipy==1.13.1 ; python_version >= "3.9" and python_version < "3.15"
 six==1.17.0 ; python_version >= "3.9" and python_version < "3.15"
 snowballstemmer==2.2.0 ; python_version >= "3.9" and python_version < "3.15"
-soupsieve==2.6 ; python_version >= "3.9" and python_version < "3.15"
+soupsieve==2.8.4 ; python_version >= "3.9" and python_version < "3.15"
 sphinx-pyproject==0.3.0 ; python_version >= "3.9" and python_version < "3.15"
 sphinx-rtd-theme==2.0.0 ; python_version >= "3.9" and python_version < "3.15"
 sphinx==7.4.7 ; python_version >= "3.9" and python_version < "3.15"