diff --git a/docs/requirements-doc.txt b/docs/requirements-doc.txt
index f1e1839..6099e0f 100644
--- a/docs/requirements-doc.txt
+++ b/docs/requirements-doc.txt
@@ -3,4 +3,5 @@ Jinja2<3.1
 conflux-web3
 cfx-utils>=1.0.1
 # sphinx-autodoc-typehints
-# sphinx-design
\ No newline at end of file
+# sphinx-design
+aiohttp>=3.10.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file