diff --git a/tools/server/bench/requirements.txt b/tools/server/bench/requirements.txt
index 66ed226eda6..826df8d8678 100644
--- a/tools/server/bench/requirements.txt
+++ b/tools/server/bench/requirements.txt
@@ -1,2 +1,3 @@
 matplotlib
 requests
+fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability