diff --git a/requirements-dev.txt b/requirements-dev.txt
index 77fedb9716..2f57f12ebd 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,3 +5,5 @@ pytest-httpbin==2.1.0
 httpbin~=0.10.0
 trustme
 wheel
+brotlicffi>=1.2.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
+werkzeug>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability