diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1100da47..f50461ee 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,4 +3,5 @@ requests
 furo
 sphinx-copybutton
 sphinx-autobuild
-sphinxext-opengraph
\ No newline at end of file
+sphinxext-opengraph
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file