diff --git a/docs/requirements.txt b/docs/requirements.txt
index f3fda1b0127cb..bf6b4a2663682 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,6 @@
 mkdocs==1.1.2
 mkdocs-material==7.1.7
 markdown_include==0.6.0
-pygments==2.7.4
\ No newline at end of file
+pygments==2.7.4
+tornado>=6.4.1 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file