diff --git a/Documents/MkDocs/requirements.txt b/Documents/MkDocs/requirements.txt
index f91996d7..26584f4f 100644
--- a/Documents/MkDocs/requirements.txt
+++ b/Documents/MkDocs/requirements.txt
@@ -3,3 +3,4 @@ mkdocs == 1.1
 mkdocs-material == 7.1.5
 mkdocs-material-extensions == 1.0
 pymdown-extensions == 7.0
+pygments>=2.15.0 # not directly required, pinned by Snyk to avoid a vulnerability