diff --git a/requirements.txt b/requirements.txt
index 7e4b573..1949662 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,3 +54,5 @@ Wand==0.6.13
 whitenoise==6.7.0
 xxhash==3.5.0
 zipcodes==1.2.0
+werkzeug>=3.0.3 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability