diff --git a/requirements.txt b/requirements.txt
index c9ffcef..604e0cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,9 @@ flask
 flask-cors
 PyYAML
 waitress
+werkzeug==3.1.3
+haystack-ai
+h11>=0.16.0 # not directly required, pinned by Snyk to avoid a vulnerability
 werkzeug==3.0.3
 haystack-ai
 anyio>=4.4.0 # not directly required, pinned by Snyk to avoid a vulnerability