diff --git a/docs/requirements.txt b/docs/requirements.txt
index 559abcf3c..406d38ca2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,3 @@
 sphinx-rtd-theme==0.1.5
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability