diff --git a/tests/scaling/requirements.txt b/tests/scaling/requirements.txt
index 062a61d..3c223fe 100644
--- a/tests/scaling/requirements.txt
+++ b/tests/scaling/requirements.txt
@@ -1,3 +1,4 @@
 locustio==0.8.1
 click==6.7
 tqdm==4.19.4
+jinja2>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability