diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7e5fb13..21f57dc 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -5,4 +5,5 @@ mkdocs-material
 # code documentation:
 mkdocstrings
 # markdown include:
-markdown-include
\ No newline at end of file
+markdown-include
+jinja2>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file