diff --git a/docs/sphinx/requirements.txt b/docs/sphinx/requirements.txt
index 188f51e62..61c5abea1 100644
--- a/docs/sphinx/requirements.txt
+++ b/docs/sphinx/requirements.txt
@@ -1 +1,2 @@
-breathe
\ No newline at end of file
+breathe
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file