diff --git a/docs/requirements.txt b/docs/requirements.txt
index 217e49dd6..a569825c6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,3 +3,4 @@
 sphinx==3.*
 sphinx_rtd_theme
 
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability