diff --git a/doc/en/requirements.txt b/doc/en/requirements.txt
index be22b7db872..f4bfd048f21 100644
--- a/doc/en/requirements.txt
+++ b/doc/en/requirements.txt
@@ -2,3 +2,4 @@ pygments-pytest>=1.1.0
 sphinx>=1.8.2,<2.1
 sphinxcontrib-trio
 sphinx-removed-in>=0.2.0
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability