diff --git a/frontend/requirements.txt b/frontend/requirements.txt
index 9e857f5..53aa3af 100644
--- a/frontend/requirements.txt
+++ b/frontend/requirements.txt
@@ -1,3 +1,4 @@
 Flask
 Flask-WTF
 requests
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability