diff --git a/doc/requirements.txt b/doc/requirements.txt
index 7769af5ae..c9771e864 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -6,3 +6,4 @@ sphinxcontrib-htmlhelp >= 2.0.0, <= 2.0.1
 sphinxcontrib-qthelp == 1.0.3
 sphinxcontrib-serializinghtml == 1.1.5
 sphinx-autodoc-typehints
+setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability