diff --git a/requirements.txt b/requirements.txt
index d678962e..8d6e965f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ pandas
 flask
 dataset
 rsonlite==0.1.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability